CN108677638A - Express highway roadbed dam filling construction based on building waste - Google Patents
Express highway roadbed dam filling construction based on building waste Download PDFInfo
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- CN108677638A CN108677638A CN201810533967.4A CN201810533967A CN108677638A CN 108677638 A CN108677638 A CN 108677638A CN 201810533967 A CN201810533967 A CN 201810533967A CN 108677638 A CN108677638 A CN 108677638A
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- building waste
- express highway
- roadbed
- building
- highway roadbed
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of express highway roadbed dam filling construction based on building waste, including step：Construction site pre-processes；Surveying and locating；Basal layer processing；Building waste pre-processes；The processing of bound edge soil water proof；Building waste is laid with and leveling；Building waste rolls；Quality testing.Present invention realization is filled to express highway roadbed in high quality using building waste; largely alleviate the problem of building waste surplus; and material for roadbed filling and method provide a reliable selection; accomplish to economize on resources more to a certain extent, environmental protection, has met the theory of sustainable development.
Description
Technical field
The present invention relates to the Roadbed Construction field of civil construction, a kind of particularly height based on building waste
Fast roadbed filling method.
Background technology
In recent years, with the quickening of China's economic development and urbanization process, urban infrastructure construction, repair, dismounting
The concrete block of middle generation, the total amount of the useless building wastes such as brick and dregs are growing day by day.Reflect according to related data：Currently, China
Building waste quantity accounted for the 30~40% of municipal refuse total amount, the current building waste in China stacks total amount up to 7,000,000,000
Ton, annual newly generated building waste is more than 400,000,000 tons, but integrated treatment utilization rate is less than 5%.National more than 600 city, has
City faces the phenomenon that garbage-surrounded city more than 400.Arrive the year two thousand twenty by inference, China by about 30,000,000,000 square meter of newly-increased construction area, if with
500~600 tons/ten thousand square metres of Municipal Garbage Yield standard calculates that newly generated building waste will be a thrilling number.
Increasingly increased building waste not only wastes a large amount of natural resources, occupies mass production land used, more without recycling
Ecological pollution is aggravated.Therefore, seek a kind of the method that construction refuse resource utilizes to be had become China there is an urgent need to solve
Certainly the problem of.
Building waste refer to it is newly-built, renovating and enlarging, remove, reinforce all kinds of buildings, structures, pipe network etc. and occupy
The waste material generated during people's decorations house.The group origin cause of formation regional economic development level of building waste, is torn open at building structure
Change except different with way of recycling, usually contains soil, cement-based material, agglomerated material, lithotome, timber, metal, glass
Glass, plastics and other materials.Its performance is better than clay and silty soil, has preferable hardness, intensity, toughness and stability.
Invention content
For the serious superfluous problem of building waste instantly, in conjunction with building waste excellent mechanics and engineering property, this hair
It is bright to propose a kind of express highway roadbed embankment method based on building waste, so that building waste has been obtained recycling
To achieve the above object, technical solution of the invention is as follows：
S1：Construction site pre-processes；
S2：Surveying and locating；
S3：Basal layer processing；
S4：Building waste pre-processes；
S5：The processing of bound edge soil water proof：On left and right width both sides bound edge water proof is carried out with finished product rendzinas；
S6：Building waste is laid with and leveling；
S7：Building waste is carried out to roll processing, is as follows：
Before rolling, the water M that building waste need to supplement is calculatedWater, formula is as follows：
MWater=(W0-ω0)×M/(1+ω0)
In formula, W0For actual measurement building waste water content, ω0It is for best aqueous (generally 13% ± 2%), the M of compacting
Require supplementation with the building waste quality of moisture；
When rolling, after building waste amount of makeup water, rolled first with sheep-foot roller, after particle diameter is ground to 3cm or less,
It is rolled 8~12 times using vibrated roller, is finally rolled at least 10 times with the speed of 1.0~1.4km/h with smooth-wheeled roller.
The construction sites the step S1 pre-process, including three parts：First, cleaning sundries；Second is that top drainage；Third,
Place flattens.
The step S2 surveying and locatings, specifically：In situ face carries out setting-out, identifies rendzinas making width, and set
Layer position bar is to control paving thickness.
The step S3 basal layers processing, specifically：It is paved first using bull-dozer to the mound of operation side, then
It is flat with land leveller essence, it is used in combination vibrated roller to be rolled, ensures thickness uniformity.
The mode rolled is as follows：It is carried out from both sides to centre, lateral joining place rolls wheelmark overlapping 40-50cm, indulges
Adjacent construction section wheelmark overlapping widths 100-150cm forwards, backwards.
The step S4 building wastes pretreatment, including 2 points：First, selecting the sundries for being not suitable for filling；Second is that will building
Rubbish carries out Mechanical Crushing, and broken rear grain size is made to be less than 25cm.
The step S5 bound edges soil coefficient of loose laying is more than the 10%-20% of building waste paving coefficient, and is higher by same layer building
Rubbish 5-8cm.
The step S6 building wastes are laid with and leveling, specifically, construction surface are divided into the block plaids such as several, and according to
Filling height and the product of area calculate that required the square of building waste is measured, it is ensured that thickness uniformity when paving；Then, using digging
Machine is flat with bull-dozer essence after slightly putting down, and reaches pine paving 30cm.
Sheep-foot roller refers to being rolled from both sides to centre in the step S7, and rolling speed control is in 2.8~3.2km/h, wheel
Mark is overlapped 0.4~0.5m.
In the step S7, mode is rolled：It is carried out from both sides to centre, forms the crown slope of 2-3%；Lateral joining place
Roll wheelmark overlapping 40-50cm；Adjacent construction section wheelmark overlapping widths 100-150cm before and after longitudinal direction.
First installation sedimentation plate measures three respectively then by the stockpiling area by spirit level frame outside roadbed in the step S7
The reading of height value before kind of road roller rolls building waste and after rolling then is said when front and back difference of reading twice is less than 5 mm
Bright roadbed filling is met the requirements, and fills end, otherwise continues to roll with smooth-wheeled roller, until meeting the standard less than 5 millimeters.
The method of the installation sedimentation plate is as follows：Construction site is longitudinally bisected into several sections, each section installation two
Block is installed since underlayment, and above every two layers of installation is primary；After installing sedimentation plate, you can carried out in rolling later
Settlement measurement.
Compared with prior art, technique effect of the invention is as follows：
1) building waste progress recycling can not only largely be solved the problems, such as that building waste is accumulated, more
A large amount of natural resources have been saved, mass production land used is saved, have been also equipped with certain economy in addition.
2) using building waste that is newly-built, renovating and enlarging, being generated in dismounting, while traditional dam filling construction is carried out
Certain improvement improves express highway roadbed quality, while also reducing the cost of highway.
3) a large amount of natural resources can be saved, mass production land used is vacated, slows down ecological pollution, meet sustainable development
Theory.
Description of the drawings
Fig. 1 is bound edge soil drawing
Fig. 2 is that building waste fills number of plies schematic diagram
Specific implementation mode
With reference to specific example, the present invention is described in detail, and following embodiment will be helpful to those skilled in the art
Member further understands the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill people of this field
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the present invention's
Protection domain.According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing
It is all made of reduced form and non-accurate ratio, is only used for the convenient purpose for lucidly aiding in illustrating the embodiment of the present invention.
It is proposed by the present invention it is a kind of by building waste be used for the express highway roadbed method filled, include the following steps：
S1：Construction site pre-processes：Including following three parts：First, site clearing polybag, electric wire, weeds, life
The waste of the unsuitable roadbed filling such as rubbish；Second is that building temporary drain in roadbed both sides, original ground surface water is excluded, and
Prevent periphery water from entering subgrade construction range；Third, place flattens, scarifying 25cm is compacted after mixing ash processing, ensures original ground
Compactness is not less than 90%.
S2：Surveying and locating；Infrared total powerstation is carried out on the roadbed original ground of acceptance(check) accurately releases construction road
In section, skirt piles (ensure be no less than 50cm widen), obviously identify rendzinas making width with lime line, and in left and right width
One root layer position bar is respectively set at skirt piles position, to control paving thickness.
S3：Basal layer processing：The above 40cm of original ground is substrate waterproof layer, divides two layers and fills, every layer of 20cm.Construction operation
The mound in face is paved using bull-dozer, land leveller essence is flat, ensures thickness uniformity.It is rolled first using vibrated roller, first
Static pressure one time is weak again to shake one time, Qiang Zhensan times, and vibrating static-pressure speed is quasi- to use 1.2km/h.By glue after compactness self-test qualification
Roller receives light.It rolls and is carried out from both sides to centre, lateral joining place rolls wheelmark overlapping 40-50cm, adjacent before and after longitudinal direction
Construction section wheelmark overlapping widths 100-150cm.It rolls and should ensure that without leakage pressure, without dead angle, comprehensive uniform compaction, ensure the first lamination
Solidity is not less than 92%, and the second roadbed is not less than 93%.
S4：Building waste pre-processes：It picks out organic waste and is not suitable for the waste as roadbed filling.It utilizes
Digging machine carries out precrushing to super large block of material, for the intensive abundant break process of rubbish in the cavity such as floor, is crushed maximum particle diameter not
More than 25cm.It manually wipes out reinforcing bar to wind to avoid a large amount of reinforcing bars, influences filled soils.Watering dedusting is paid attention in shattering process.
S5：The processing of bound edge soil water proof：On left and right width both sides, first with 5% finished product lime earthen backfill 2.5m wide, (including 50 cm add
Width values) carry out bound edge water proof.There is difference to avoid bound edge soil and building waste from rolling rear elevation, bound edge soil coefficient of loose laying is general
More than the 10%-20% of building waste coefficient of loose laying.Precompressed is first carried out to bound edge soil, it is made to be higher by 5- compared with same layer building waste
8cm, then compacting synchronous with this layer of construction waste brick slag filler again, increases structural integrity.
S6：Building waste is laid with and leveling；The present embodiment length is 50m, and width increases with absolute altitude and narrowed, and fills soil pressure
Real thickness is 20cm, loose laying depth about 30cm.Before soil loading cloth, go out 10m (longitudinal direction) × (actual elevation reckoning with lime line drawing
Width+1m-2.5m)/3 (3 parts of lateral average mark) cage, amount to 15 grids.Every layer of building waste compacting side, which is measured, is：
10m × (actual elevation calculate width+1m-2.5m) m × 0.2m, while extrapolating each grid and need the brick quantity of slag, using transport vehicle
Aequum is transported in each grid.Feeding holds feeding pass, when entrucking, pays attention to that the muck haulage quantity of control per car is roughly equal；It unloads
When material, special messenger takes charge discharging, ensures that each cage unloads the material of identical vehicle number, and discharging spacing uniformity, with true
Thickness being capable of uniformity when guarantor paves.It after the completion of haul, is put down with bull-dozer essence after slightly being put down filler using digging machine, if also having a
Not higher heap body makes its surfacing using artificial leveling, reaches pine paving 30cm.
S7：Building waste rolls：Requirement according to roadbed to compactness, (in iron tyre in advance using 21t iron three-roll road roller
Perfusion yellow ground) and 21t sheep-foot rollers combine building waste rolled, to ensure the flat of compacting effect and building waste surface
It is whole.Table 1 is sheep-foot roller parameter list.
Table 1：Sheep-foot roller parameter list
First the moisture content of building waste is detected before rolling, makes moisture control in optimum moisture content ± 2%, if working as
When moisture content is higher, using drying until water content reaches requirement.When water content is met the requirements, when should shorten construction as possible
Between, reduce the loss of water content, it is ensured that rolling effect.It when water content is relatively low, is supplemented with sprinkler, according to actual measurement
Water content W0, compacting optimum moisture content ω0, the building waste mass M etc. that requires supplementation with moisture, calculate its water that should be supplemented
MWater=(W0-ω0)×M/(1+ω0).When sprinkling truck moisturizing, special messenger is responsible for, and ensures moisture in building waste uniformly.
It when rolling, is rolled with sheep-foot roller, after the 6th time and the 10th time, is slightly put down using land leveller first, after the 14th time, used
Land leveller essence is flat.Sheep-foot roller is rolled from both sides to centre, and rolling speed control is overlapped 0.4-0.5m in 3km/h or so, wheelmark.
During rolling, the moment pays close attention to the size of building waste particle diameter, if finding particle diameter in 3cm after being rolled by 14 times
Hereinafter, can then be rolled with daylighting roller；If after 14 times, it is found that particle diameter in 3cm or more, then needs to continue to grind with sheep-foot roller
Pressure could be rolled with smooth-wheeled roller until particle diameter is after 3cm or less.After the completion of sheep-foot roller rolls, pick out a small amount of
The reinforced concrete block not crushed is flat according to road surface horizontal slope land leveller essence.Thereafter it is rolled 10 times using vibrated roller.Finally use
Smooth-wheeled roller rolls 10 times, is rolled using 1.2km/h；Roll gait of march from slow to fast, maximum speed is no more than 4km/h；
It rolls and is carried out from both sides to centre, form the crown slope of 2-3%, be conducive to draining；Lateral joining place rolls wheelmark overlapping 40-
50cm, adjacent construction section wheelmark overlapping widths 100-150cm before and after longitudinal direction.Roll should ensure that without leakage pressure, without dead angle, comprehensively uniformly
Compacting.Quality testing is carried out using sedimentation discharge observation.This test section is longitudinally equally divided into 5 sections, and each section installs two pieces,
From the open-top beginning installation of 5% rendzinas of underlayment, above every two layers of installation is primary, need to install altogether 6 times, need to settle 60 pieces of plate.It measures
When spirit level frame by stockpiling area outside roadbed, measured into the reading before rolling, while the moment observed reading in rolling engineering,
When front and back difference of reading twice be less than 5mm, then illustrate that the rigidity of roadbed filling is larger, stability is preferable, meets roadbed filling requirement.
Each point reading and last time each point reading difference are settling amount before pressure.
It should be pointed out that be the preferred embodiment of the present invention above, the present invention also has other realization methods, such as
Variation technological parameter therein etc. in range of the present invention.This is to be easily achieved for the construction personnel of this field
's.
Although present disclosure is discussed in detail by above-described embodiment, but it should be appreciated that the description above
It is not considered as limitation of the present invention.After the construction personnel of this field has read the above, for the more of the present invention
Kind modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (12)
1. a kind of express highway roadbed dam filling construction based on building waste, which is characterized in that this method comprises the following steps：
S1：Construction site pre-processes；
S2：Surveying and locating；
S3：Basal layer processing；
S4：Building waste pre-processes；
S5：The processing of bound edge soil water proof：On left and right width both sides bound edge water proof is carried out with finished product rendzinas；
S6：Building waste is laid with and leveling；
S7：Building waste is carried out to roll processing, is as follows：
Before rolling, the water M that building waste need to supplement is calculatedWater, formula is as follows：
MWater=(W0-ω0)×M/(1+ω0)
In formula, W0For actual measurement building waste water content, ω0It is the building waste for requiring supplementation with moisture for the best aqueous, M of compacting
Quality；
It when rolling, after building waste amount of makeup water, is rolled with sheep-foot roller, after particle diameter is ground to 3cm or less, is used first
Vibrated roller rolls 8~12 times, is finally rolled at least 10 times with the speed of 1.0~1.4km/h with smooth-wheeled roller.
2. the express highway roadbed dam filling construction according to claim 1 based on building waste, which is characterized in that the step
The rapid construction sites S1 pretreatment, including three parts：First, cleaning sundries；Second is that top drainage；Third, place flattens.
3. the express highway roadbed dam filling construction according to claim 1 based on building waste, which is characterized in that the step
Rapid S2 surveying and locatings, specifically：In situ face carries out setting-out, identifies rendzinas making width, and sets layer position bar to control booth
Spread thickness.
4. the express highway roadbed dam filling construction according to claim 1 based on building waste, which is characterized in that the step
Rapid S3 basal layers processing, specifically：It is paved first using bull-dozer to the mound of operation side, then uses land leveller essence flat,
It is used in combination vibrated roller to be rolled.
5. the express highway roadbed dam filling construction according to claim 4 based on building waste, which is characterized in that the stone roller
The mode of pressure is as follows：It is carried out from both sides to centre, lateral joining place rolls wheelmark overlapping 40-50cm, adjacent construction before and after longitudinal direction
Section wheelmark overlapping widths 100-150cm.
6. the express highway roadbed dam filling construction according to claim 1 based on building waste, which is characterized in that the step
Rapid S4 building wastes pretreatment, including 2 points：First, selecting the sundries for being not suitable for filling；Second is that it is broken that building waste is carried out machinery
It is broken, so that broken rear grain size is less than 25cm.
7. the express highway roadbed dam filling construction according to claim 1 based on building waste, which is characterized in that the step
Rapid S5 bound edge soil coefficient of loose laying is more than the 10%-20% of building waste paving coefficient, and is higher by same layer building waste 5-8cm.
8. the express highway roadbed dam filling construction according to claim 1 based on building waste, which is characterized in that the step
Rapid S6 building wastes are laid with and leveling, specifically, construction surface are divided into the block plaids such as several, and according to filling height and area
Product calculate needed for building waste side amount, it is ensured that thickness uniformity when paving；Then, with soil-shifting after slightly being put down using digging machine
Machine essence is flat, reaches pine paving 30cm.
9. the express highway roadbed dam filling construction according to claim 1 based on building waste, which is characterized in that the step
Sheep-foot roller refers to being rolled from both sides to centre in rapid S7, rolling speed control in 2.8~3.2km/h, wheelmark overlapping 0.4~
0.5m。
10. the express highway roadbed dam filling construction according to claim 1 based on building waste, which is characterized in that described
In step S7, mode is rolled：It is carried out from both sides to centre, forms the crown slope of 2-3%；Lateral joining place rolls wheelmark overlapping
40-50cm；Adjacent construction section wheelmark overlapping widths 100-150cm before and after longitudinal direction.
11. the express highway roadbed dam filling construction according to claim 1 based on building waste, which is characterized in that described
First installation sedimentation plate in step S7 then by the stockpiling area by spirit level frame outside roadbed, measures three kinds of road rollers to building respectively
The reading of height value before building refuse rolls and after rolling then illustrates that roadbed filling meets when front and back difference of reading twice is less than 5mm
It is required that filling end, otherwise continue to roll with smooth-wheeled roller, until meeting the standard less than 5 millimeters.
12. the express highway roadbed dam filling construction according to claim 10 based on building waste, which is characterized in that described
The method of installation sedimentation plate is as follows：Construction site is longitudinally bisected into several sections, and each section is installed two pieces, opened from underlayment
Begin to install, above every two layers of installation is primary；After installing sedimentation plate, you can carry out settlement measurement in rolling later.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109594442A (en) * | 2018-12-14 | 2019-04-09 | 北京绿视点园林景观工程有限公司 | Garden path construction technology |
| CN109722968A (en) * | 2019-01-10 | 2019-05-07 | 江苏工程职业技术学院 | A kind of high-performance permeable concrete system and preparation method thereof of building waste preparation |
| CN109736155A (en) * | 2018-11-28 | 2019-05-10 | 中交一公局桥隧工程有限公司 | Building castoff Filling Expressway Subgrade construction |
| CN110273428A (en) * | 2019-07-03 | 2019-09-24 | 中电建十一局工程有限公司 | It is a kind of using building waste as the construction method for filling materials |
| CN114717884A (en) * | 2022-04-27 | 2022-07-08 | 湖南建工交通建设有限公司 | Completely weathered granite sedimentary soil subgrade and construction method |
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| CN114717884A (en) * | 2022-04-27 | 2022-07-08 | 湖南建工交通建设有限公司 | Completely weathered granite sedimentary soil subgrade and construction method |
| CN114717884B (en) * | 2022-04-27 | 2023-11-24 | 湖南建工交通建设有限公司 | Fully weathered granite sedimentary soil roadbed and construction method |
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Application publication date: 20181019 |