CN205808795U - Processing treatment instrument used before strength test of concrete core sample - Google Patents

Processing treatment instrument used before strength test of concrete core sample Download PDF

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Publication number
CN205808795U
CN205808795U CN201620724355.XU CN201620724355U CN205808795U CN 205808795 U CN205808795 U CN 205808795U CN 201620724355 U CN201620724355 U CN 201620724355U CN 205808795 U CN205808795 U CN 205808795U
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China
Prior art keywords
core sample
concrete core
base
strength test
processing
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CN201620724355.XU
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Chinese (zh)
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饶承彪
谭建军
方伟
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PowerChina Guiyang Engineering Corp Ltd
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PowerChina Guiyang Engineering Corp Ltd
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Abstract

The utility model discloses a processing appearance for before concrete core appearance intensity test, include the base and set up the spherical seat on the base, it still is provided with the spout to lie in spherical seat one side on the base, install the bracing piece on the spout, install the arc surface on the bracing piece, the base lies in the spherical seat outside and still is provided with control panel. Adopt processing treatment appearance, processing concrete core appearance surface that can be very convenient for the both ends face of core appearance levels, tests according to the requirement of experimental regulation, also can be more quick accurate carry out the processing test of concrete core appearance. The concrete core sample that makes the cutting becomes the standard component after comparatively accurate both ends face processing, conveniently carries out the strength test of concrete core sample.

Description

A kind of processed instrument before concrete core sample strength test
Technical field
This utility model belongs to water conservancy project, building concrete ruggedness test field, is specifically related to a kind of for concrete core sample Processed instrument before strength test.
Background technology
There is a lot of water power hydraulic engineering in China, and the appropriate location that each engineering was desirable that before water-retention on dam is bored Coring sample is also tested, mainly for checking the quality of dam concrete placement.Concrete core sample adds man-hour, because of cutting machine or Artificial factor, is always so that the cut surface out-of-flatness of core sample so that needs before core sample strength test that core sample is carried out surface and adds Work.On SL352-2006 " concrete for hydraulic structure testing regulations ", strength test for concrete core sample has a following requirement:
(1) dimensional requirement that concrete core sample is not less than 1.0 by draw ratio (length and the ratio of diameter) is intercepted sample, The comprcssive strength intercepting the Specimen Determination that draw ratio is 2 is that axial compressive strength, comprcssive strength and tensile splitting strength are all with 3 Test specimen is one group;
(2) being polished on stone mill at sample two ends, or polish with thick cement mortar (mortar), end face flatness error should not More than the 1/10 of diameter, both ends of the surface should be vertical with axis, and as the pressure-bearing surface of test specimen, test specimen surrounding must not have necking down, drum Tripe or other defect (such as crack etc.);
(3) for the test specimen of splitting tensile test, also should polish at the two of its bearing load opposing busbars, flat surface grinding Width about 15mm, be used as to lay splitting filler strip;
(4) test specimen side diverse location measurement length twice, accurately to 1mm, the meansigma methods of two measured values is taken as examination The length of part;In the middle part of test specimen, measure diameter twice (measuring direction twice perpendicular), accurately to 1mm, take the flat of two measured values Average is as the diameter of test specimen;
(5) then test specimen standard curing room maintenance one week, need to carry out the comprcssive strength of core sample before the test and cleave anti- Tensile strength is tested.
According to above-mentioned requirements, concrete core sample needs before making a strength test test specimen is carried out suitable processing.For reaching Test requirements document, there has been processing unit (plant) before various test, such as, the China of Publication No. CN203745266U The open a kind of concrete core sample filling-in device of patent, for carrying out filling-in, described concrete to the both ends of the surface of cylindrical core sample Core sample filling-in device includes base plate prepared by metal material, and this plate upper surface is provided with the cylindrical hole dish with degree of depth D, The equal diameters of this hole dish, in the diameter of this core sample, is provided with two of the upper surface being perpendicular to this base plate in cylinder on base plate And the locating dowel prepared for metal material.This device can be effectively improved filling-in efficiency and the quality of concrete core sample.
For another example, to disclose the simple type of a kind of concrete core sample quick for the Chinese patent of Publication No. CN204718855U Filling-in device, including bobbin, bottom gasket and top cover plate, bobbin both ends open, the two ends up and down of bobbin are respectively provided with top Cover plate and bottom gasket;The stack shell of bobbin has cutting seam, and cutting seam extends to spool lower end face from spool upper end face.This coagulation The simple type quick filling-in apparatus structure of core sample is simple, easy to use, can quick filling-in concrete core sample by this device End face, and keep good planarization effects, simple to operate, efficiency and the quality of core sample filling-in can be improved.
Although technique scheme can improve efficiency and the quality of core sample filling-in to a certain extent, but its apparatus structure The most single, and it cannot be guaranteed that the core sample side of processed is vertical with end face;It addition, the structure of filling-in device in prior art Design can allow the thick cement grout (mortar) of core sample end face cause be difficult to come off with mechanical cohesive bond.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of processing before concrete core sample strength test Processing instrument.It is thus possible to more quickly carry out the processing experiment of concrete core sample more accurately.
This utility model is achieved by the following technical programs.
A kind of processed instrument before concrete core sample strength test is spherical be arranged on base including base Seat, described base is positioned at spheric seat side and is additionally provided with chute, described chute is provided with support bar, pacifies on support bar Equipped with arc surface, described base is positioned at outside spheric seat and is additionally provided with control panel.
Described base uses cast iron to make.
Described spheric seat uses semiglobe to be arranged on base.
Described post upper is provided with the slippage slot slided for arc surface.
Described arc surface is perpendicular to base.
Described arc surface can slide in the slippage slot on support bar, and is bolted on support bar.
The beneficial effects of the utility model are:
Use processed instrument described in the utility model, can fabrication of concrete core sample surface very easily so that core The both ends of the surface of sample are smooth, test by the requirement of testing regulations, it is also possible to carry out concrete core sample more fast and accurately Processing experiment.The concrete core sample making cutting becomes standard component after both ends of the surface processed the most accurately, conveniently enters The strength test of row concrete core sample.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-base, 2-spheric seat, 3-chute, 4-support bar, 5-fixes bolt, 6-arc surface, 7-control panel.
Detailed description of the invention
Further describe the technical solution of the utility model below in conjunction with the accompanying drawings, but claimed scope is not limited to Described.
As it is shown in figure 1, a kind of processed instrument before concrete core sample strength test described in the utility model, bag Include base 1 and the spheric seat 2 being arranged on base 1, described base 1 is positioned at spheric seat 2 side and is additionally provided with chute 3, described Being provided with support bar 4 on chute 3, be provided with arc surface 6 on support bar 4, described base 1 is positioned at outside spheric seat 2 and also sets up There is control panel 7.In actual applications, support bar 4 can in chute 3 before and after sliding, when behind the position determining spheric seat 2, control Panel 7 processed can fix the position at its place by electromagnetic principle.Use the technical program, so that the core sample of cutting obtains Quickly and more both ends of the surface processed accurately so that concrete core sample becomes standard component, the end face of described standard specimen is put down Whole and both ends of the surface are vertical with side, become one and there is the cylindrical cube that draw ratio is 2:1, and then conveniently carry out concrete The strength test of core sample.
Described base 1 uses cast iron to make.So ensure that the quality of base 1 is sufficiently large so that base 1 is relatively stable.
Described spheric seat 2 uses semiglobe to be arranged on base 1.So, spheric seat 2 can carry out half on base 1 Spherical rotation, and it is controlled the braking of panel 7.
Described support bar 4 upper end is provided with the slippage slot slided for arc surface 6.
Described arc surface 6 is perpendicular to base 1, and arc surface 6 can slide in the slippage slot on support bar 4, and passes through Bolt 5 is fixed on support bar 4 desired position.
The core sample that test chamber is cut in use, is placed on spheric seat 2 described in the utility model by this utility model, And rotary spherical seat 2 so that the side of core sample is parallel with support bar 4, sliding supporting bar 4 on chute 3 so that arc surface 6 with Core sample is close to, and ensures that arc surface 6 is parallel with core sample side;Slip circle face 6 on support bar 4, and make core sample upper end end The camber line of the commanding elevation in face (surface) and the upper end of arc surface 6, in same level, uses bolt 5 to fix the position of arc surface 6 Put;Using thick cement mortar (mortar) to polish, end face flatness error not should be greater than the 1/10 of diameter, and both ends of the surface should be hung down with axis Directly;After treating that upper surface is dried, concrete core sample is inverted, repeats upper surface and use thick cement mortar (mortar) to polish end face;? After the test specimen after above-mentioned processed be placed on standard curing room screen one week, the comprcssive strength and the splitting that then carry out core sample resist Tensile strength is tested.Use processed instrument described in the utility model so that the core sample of cutting obtains quickly and more accurately Both ends of the surface processed so that concrete core sample becomes standard component, carries out concrete core sample strength test easily.

Claims (6)

1. the processed instrument before concrete core sample strength test, it is characterised in that: include base (1) and be arranged at Spheric seat (2) on base (1), described base (1) is positioned at spheric seat (2) side and is additionally provided with chute (3), described chute (3) being provided with support bar (4) on, be provided with arc surface (6) on support bar (4), described base (1) is positioned at spheric seat (2) outward Side is additionally provided with control panel (7).
A kind of processed instrument before concrete core sample strength test the most according to claim 1, it is characterised in that: Described base (1) uses cast iron to make.
A kind of processed instrument before concrete core sample strength test the most according to claim 1, it is characterised in that: Described spheric seat (2) uses semiglobe to be arranged on base (1).
A kind of processed instrument before concrete core sample strength test the most according to claim 1, it is characterised in that: Described support bar (4) upper end is provided with the slippage slot slided for arc surface (6).
A kind of processed instrument before concrete core sample strength test the most according to claim 1, it is characterised in that: Described arc surface (6) is perpendicular to base (1).
A kind of processed instrument before concrete core sample strength test the most according to claim 1, it is characterised in that: Described arc surface (6) can slide in the slippage slot on support bar (4), and is fixed on support bar (4) by bolt (5).
CN201620724355.XU 2016-07-11 2016-07-11 Processing treatment instrument used before strength test of concrete core sample Active CN205808795U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620724355.XU CN205808795U (en) 2016-07-11 2016-07-11 Processing treatment instrument used before strength test of concrete core sample

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Application Number Priority Date Filing Date Title
CN201620724355.XU CN205808795U (en) 2016-07-11 2016-07-11 Processing treatment instrument used before strength test of concrete core sample

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113358407A (en) * 2021-07-08 2021-09-07 中国电建集团贵阳勘测设计研究院有限公司 Sampling method for multi-face empty rock structural face

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113358407A (en) * 2021-07-08 2021-09-07 中国电建集团贵阳勘测设计研究院有限公司 Sampling method for multi-face empty rock structural face

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