CN201508358U - Early expansion and contraction tester of concrete road slab bottom grouting material - Google Patents
Early expansion and contraction tester of concrete road slab bottom grouting material Download PDFInfo
- Publication number
- CN201508358U CN201508358U CN2009202461030U CN200920246103U CN201508358U CN 201508358 U CN201508358 U CN 201508358U CN 2009202461030 U CN2009202461030 U CN 2009202461030U CN 200920246103 U CN200920246103 U CN 200920246103U CN 201508358 U CN201508358 U CN 201508358U
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Abstract
The utility model relates to an early expansion and contraction tester of a concrete road slab bottom grouting material, which comprises a dial indicator and an air level. The lower base of the lower horizontal plane of a dial indicator rack is provided with a leveling screw which can regulate the horizontal plane. The smooth test mould of the cylindrical Acrylic circular tube is connected with an Acrylic base by a flange plate; sealing materials are arranged between the flange plate and the base so as to ensure that the smooth test mould does not leak slurry, and the top cover of the test mould is arranged on the top of the slurry body in the smooth test mould. The measuring end of the dial indicator is contacted with the bulge of the top cover of the test mould. The tester can test the expansion and the contraction of the slurry from the initial set stage to the full hardening stage of the slurry body. The test mould base can be detached, thereby facilitating the mould being detached after the slurry body is hardened. The tester has simple operation and is practical.
Description
Technical field
The utility model relates to the test unit that the mensuration material early expansion in grouting material field at the bottom of a kind of Cement Concrete Pavement Slab shrinks, particularly relate to a kind of concrete flag at the bottom of the grouting material early expansion shrink analyzer.It is expansion and a shrinkage of utilizing the plastic stage generation to the sclerosis fully initial set after of slurry that clock gauge measure to inject smooth cylindrical smooth die trial, simple to operate and very practical, become a kind of new design that quite has practicality and progressive, be suitable for the industrial community wide popularization and application.
Background technology
Current existing common mensuration cement slurry expansion shrinkage test device, great majority are confined to measure grouting material sclerosis expansion and shrinkage afterwards after the sand-cement slurry sclerosis demoulding; Also have and attempt to adopt contactless surveying instrument to measure early stage contraction and the expansion of slurry, but the cost of test is higher, is limited to the usefulness that indivedual R﹠D institutions make a search basically.At present, the most requirement of grouting material has expansion character at the bottom of the plate, and most of grouting materials all add a certain proportion of swelling agent, and the slurry behind the adding swelling agent will produce expansion in the time of initial set, measure slurry early expansion and shrinkage and be very important.Yet the early expansion that does not also have simple in structure, easy to operate, the practical concrete road surface grouting material that can measure early stage expansion of grouting material and shrinkage up to now of measuring early stage contraction of grouting material and expansion character shrinks analyzer.
This shows that above-mentioned existing mensuration cement slurry expansion shrinkage test device obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that sand-cement slurry measure expansion shrinkage test device exists of measuring, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found at the bottom of a kind of concrete flag of simple in structure, the easy to operate and practical new structure of holding concurrently grouting material and expand and shrink analyzer, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing mensuration grouting material early expansion shrinkage test device exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, shrink analyzer in the hope of grouting material early expansion at the bottom of the concrete flag of founding a kind of new structure, can improve general existing mensuration cement slurry early expansion shrinkage test device, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
The purpose of this utility model is, overcome the defective that existing mensuration grouting material early expansion shrinkage test device exists, and the grouting material early expansion shrank analyzer at the bottom of a kind of concrete flag of new structure was provided, technical matters to be solved is it can be measured irritate the initial set of oar material to presclerotic expansion and shrinkage, thereby is suitable for practicality more.
Another purpose of the present utility model is, a kind of concrete flag is provided at the bottom of the grouting material early expansion shrink analyzer, technical matters to be solved is to make its practicality simple in structure, simple to operate, thereby is suitable for practicality more.
A purpose more of the present utility model is, a kind of concrete flag is provided at the bottom of the grouting material early expansion shrink analyzer, technical matters to be solved is to be beneficial to the demoulding after making its sclerosis, has excellent sealing performance, thereby is suitable for practicality more.
The purpose of this utility model and to solve its technical matters be to adopt following technical scheme to realize.Shrink analyzer according to grouting material early expansion at the bottom of a kind of concrete flag that the utility model proposes, comprise: clock gauge, fix and regulate the dial holder of clock gauge height, be positioned over the smooth die trial on the lower horizontal plane of dial holder, be fixed on smooth die trial bottom sidewall upper flange plate, base, be positioned at the die trial top cover at slurry top.Wherein, the measuring junction of clock gauge contacts with the projection of die trial top cover, base is connected with ring flange by bolt with smooth die trial, and the dial holder lower horizontal plane is provided with air level, and 4 leveling serews that can regulate surface level are set in the bottom surface of dial holder lower horizontal plane.
The purpose of this utility model and solve its technical matters and can also be further achieved by the following technical measures.
The grouting material early expansion shrinks analyzer at the bottom of the aforesaid concrete flag, and wherein said smooth die trial is cylindrical transparent acrylic pipe, and diameter is 100mm～150mm, and length is 120mm～180mm, and smooth die trial inwall is coated with less amount of lubrication oil.
Described die trial top cover is the 2mm lighter weight by thickness and has certain rigidity acrylic board and make.Described base is to be that 10mm～20mm acrylic board is made by thickness.
The grouting material early expansion shrinks analyzer at the bottom of the aforesaid concrete flag, and wherein said base is detachable.
The grouting material early expansion shrinks analyzer at the bottom of the aforesaid concrete flag, and it is non-leakage to guarantee slurries to be provided with encapsulant between wherein said base and the ring flange.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model concrete road surface grouting material early expansion shrinks analyzer can reach suitable technical progress and practicality, and has the extensive value on the industry, and it has following advantage at least:
1, the grouting material early expansion shrinks the simple in structure of analyzer at the bottom of the utility model concrete flag, manufacturing cost reduces relatively, thereby can significantly reduce cost, increase economic efficiency, on practicality of using and cost benefit, really it is required to meet industry development fully, quite has industrial utilization.
2, the grouting material early expansion shrinks analyzer at the bottom of the utility model concrete flag, and is simple to operate because it is with simple structure, thereby more is suitable for practicality
3, the utility model can reach the effect in the practicality really, not only easy to use, do not need miscellaneous formality, and the processing of structure formation is easy especially, meet cost benefit, and can measure early stage expansion of grouting material and shrinkage really, from having the value on the industry, be suitable for industrial community and extensively promote the use of.
4, the smooth die trial employing acrylic round tube inner wall coating lubricating oil that the grouting material early expansion shrinks analyzer at the bottom of the utility model concrete flag reduces the friction force of slurry and die trial and helps the demoulding, and the sliding formwork die trial can be used repeatedly, saves cost.
5, the grouting material early expansion shrinks analyzer at the bottom of the utility model concrete flag, and the acrylic base of employing can be dismantled and be provided with encapsulant and make it to have excellent sealing performance between acrylic base and ring flange.
6, the grouting material early expansion shrinks analyzer at the bottom of the utility model concrete flag, and transparent acrylic tubing is adopted in the right cylinder die trial, can clearly observe the bleeding situation of grouting material, quantizes the bleeding rate of slurry.
7, the grouting material early expansion shrinks analyzer at the bottom of the utility model concrete flag, not only simple in structure, and more can meet the user in the use for the demand of measuring grouting material expansion shrinkage test device product, can give the selection of consumer Geng Jia, and can significantly promote its overall efficiency, thereby more be suitable for practicality.
In sum, it is simple in structure easy to operate and practical that the grouting material early expansion shrinks analyzer at the bottom of the concrete flag of the utility model novelty, the utlity model has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing mensuration cement slurry expansion shrinkage test device has the effect that can measure early stage expansion of grouting material and shrinkage, thereby be suitable for practicality more, and have the extensive value of industry, really be a novelty, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is a unitized construction synoptic diagram of the present utility model.
Fig. 2 is the utility model Figure 1A-A die trial sectional view.
1: clock gauge 2: the die trial top cover
3: smooth die trial 4: ring flange
5: base 6: dial holder
7: air level 8: leveling serew
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to shrinking analyzer according to grouting material early expansion at the bottom of the concrete flag that the utility model proposes, its embodiment, structure, feature and effect thereof, describe in detail as after.
See also shown in Fig. 1,2, the grouting material early expansion shrinks analyzer at the bottom of the concrete flag of the utility model preferred embodiment, and it mainly comprises: clock gauge 1, die trial top cover 2, smooth die trial 3, ring flange 4, base 5, dial holder 6, air level 7, leveling serew 8.Wherein, dial holder 6 is made up of vertical bar and surface level perpendicular to surface level, clock gauge 1 is fixed on the vertical bar of dial holder 6 and can regulates clock gauge 1 height, acrylic base 5 is positioned on the surface level of dial holder 6, base 5 is provided with encapsulant and the screw that is tightly connected with ring flange 4, and ring flange 4 strong bond are in the bottom of cylindrical smooth die trial 3.Die trial top cover 2 places the top of test specimen, and the measuring junction of clock gauge 1 contacts with the projection of die trial top cover 2.Smooth die trial 3 inwalls are coated with lubricating oil.Dial holder 6 lower horizontal planes are provided with air level 7.The bottom surface of dial holder 6 lower horizontal planes is provided with 4 screws 8 that can regulate surface level.Smooth die trial 3 is made by transparent acrylic tube material, and this pipe diameter is 100mm～150mm, and length is that 120mm～180mm gets final product.Die trial top cover 2 is the 2mm lighter weight by thickness and has certain rigidity acrylic board and make, and base 5 is to be that 10mm～20mm acrylic board is made by thickness.
Principle of work of the present utility model is as follows:
This utility model is regulated dial holder 6 to level by settling air level 7, and the smooth die trial 3 of cylindrical acrylic is connected by ring flange 4 usefulness screws with base 5, and base 5 is provided with encapsulant with the ring flange junction and prevents spillage.The slurry that stirs is poured into the smooth die trial 3 of cylindrical acrylic have the distance of about 10mm-20mm to the top, after slurry injects the smooth die trial 3 of cylindrical acrylic, treat after the about initial set of slurry, measure the distance L 1 of the smooth die trial of cylindrical acrylic 3 tops apart from the slurry liquid level, die trial top cover 2 is placed on the slurries surface, to determine that the surface can hold up die trial top cover 2.Fixedly clock gauge 1, makes the following end in contact die trial top cover 2 central protuberance positions of clock gauge 1.Reading L0 is clock gauge 1 initial reading then, passes through t more constantly, reads clock gauge 1 reading Lt.Can deduct the slurry liquid level by the effective length of measuring cylindrical smooth die trial 3 obtains apart from the height L1 that the distance L of the smooth die trial 3 of circle obtains the slurry cast. calculate expansivity or the contract with dry rate of test specimen according to following formula in the t time.
In the formula: ε---test specimen is at expansivity or the contract with dry rate (%) of t time;
Clock gauge initial reading (mm) during Lo---clock gauge contact die trial top cover;
Lt---is through the reading (mm) of t clock gauge constantly;
L1---is the height (mm) of slurry cast.
The characteristics of present embodiment: can measure the slurry initial set afterwards to the contraction and the expansion of sclerosis slurries before, be convenient to form removal after the slurry sclerosis, present embodiment is simple to operate, practical.At present, measure cement slurry expansion shrinkage test device, great majority are confined to after the demoulding, measure contraction and expansion after hardening, but there was pucker ﹠ bloat in slurry too before sclerosis, and the slurry that especially adds behind some intumescent materials has just produced expansion greatly in the time of the slurry initial set.At present, grouting material has all required expansion character at the bottom of the plate, and the utility model can be measured the grouting material initial set to presclerotic expansion and shrinkage.Transparent acrylic tubing is adopted in smooth die trial, can clearly observe the bleeding situation of grouting material.The a small amount of coating lubricating oil of inwall can reduce the frictional resistance of slurry and die trial, and helps the demoulding, and die trial can be reused.Base can be dismantled, and has excellent sealing performance with the cylinder die trial.
The technological innovation that the grouting material early expansion shrinks analyzer at the bottom of the utility model concrete flag that above-mentioned structure like this constitutes all has many saving graces for technician of the same trade now, and the progressive that possesses skills really.
As mentioned above, in the technical field of the present utility model,, can improve other exercisable embodiment of the present utility model as long as possess the most basic knowledge.In the utility model substantive technical scheme has been proposed the patent protection request, its protection domain should comprise all variation patterns with above-mentioned technical characterstic.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. the grouting material early expansion shrinks analyzer at the bottom of the concrete flag, it is characterized in that: comprising: clock gauge (1), fix and regulate the dial holder (6) of clock gauge (1) height, be positioned over the smooth die trial (3) on the lower horizontal plane of dial holder (6), be fixed on smooth die trial (3) bottom sidewall upper flange plate (4), base (5), be positioned at the die trial top cover (2) at slurry top, wherein, the measuring junction of clock gauge (1) contacts with the projection of die trial top cover (2), base (5) is connected with ring flange (4) by bolt with smooth die trial (3), dial holder (6) lower horizontal plane is provided with air level (7), and 4 leveling serews (8) that can regulate surface level are set in the bottom surface of dial holder (6) lower horizontal plane.
2. the grouting material early expansion shrinks analyzer at the bottom of the concrete flag according to claim 1, it is characterized in that wherein said smooth die trial (3) is cylindrical transparent acrylic pipe, diameter is 100mm～150mm, length is 120mm～180mm, and smooth die trial (3) inwall is coated with lubricating oil;
Described die trial top cover (2) is the 2mm lighter weight by thickness and has certain rigidity acrylic board and make;
Described base (5) is to be that 10mm～20mm acrylic board is made by thickness.
3. the grouting material early expansion shrinks analyzer at the bottom of the concrete flag according to claim 1, it is characterized in that wherein said base (5) is for detachable.
4. shrink analyzer according to grouting material early expansion at the bottom of the described concrete flag of each claim in the claim 1 to 3, it is characterized in that being provided with encapsulant between the ring flange (4) of wherein said base (5) and smooth die trial (3) bottom, non-leakage to guarantee slurries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202461030U CN201508358U (en) | 2009-09-23 | 2009-09-23 | Early expansion and contraction tester of concrete road slab bottom grouting material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202461030U CN201508358U (en) | 2009-09-23 | 2009-09-23 | Early expansion and contraction tester of concrete road slab bottom grouting material |
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| CN201508358U true CN201508358U (en) | 2010-06-16 |
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| CN2009202461030U Expired - Fee Related CN201508358U (en) | 2009-09-23 | 2009-09-23 | Early expansion and contraction tester of concrete road slab bottom grouting material |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262019A (en) * | 2011-07-05 | 2011-11-30 | 山东大学 | Triaxial rheology experimental device for soft rock material |
| CN102353607A (en) * | 2011-06-15 | 2012-02-15 | 中国地质大学（武汉） | Contractometer |
| CN104501757A (en) * | 2014-12-15 | 2015-04-08 | 中国南方航空工业(集团)有限公司 | Measuring method for thickness of cavity |
| CN105675844A (en) * | 2016-03-26 | 2016-06-15 | 西北大学 | Measurement device and method for frozen swell and melt settlement amount of loess sample |
| CN105717283A (en) * | 2016-01-28 | 2016-06-29 | 山东大学 | Cement mortar drying shrinkage testing frame and testing method |
| CN105758885A (en) * | 2016-03-11 | 2016-07-13 | 上海市建筑科学研究院 | Method of detecting vertical expansivity of pulverized coal ash |
| CN106226462A (en) * | 2016-06-15 | 2016-12-14 | 中交公局桥隧工程有限公司 | A kind of mensuration simultaneous grouting slurry for tunnel shield construction expansion rate device |
| CN106526147A (en) * | 2016-11-30 | 2017-03-22 | 东南大学 | Device and method for measuring expansion performance of mortar or concrete under vertical semi-submerged condition |
| CN106932559A (en) * | 2017-04-06 | 2017-07-07 | 燕山大学 | A kind of test method for evaluating cement paste shrinkage |
| CN106969693A (en) * | 2017-03-24 | 2017-07-21 | 北京科技大学 | A kind of expansion filling body test block expansion rate determines device |
| CN107037075A (en) * | 2017-05-31 | 2017-08-11 | 河南理工大学 | One kind expansion grout material solidification process expansion system safety testing device and method of testing |
| CN108267397A (en) * | 2018-03-13 | 2018-07-10 | 中铁十二局集团第七工程有限公司 | Concrete re- vibrating contraction measuring device |
| CN108490160A (en) * | 2018-03-08 | 2018-09-04 | 同济大学 | A kind of detection method of cement mortar early-age shrinkage |
| CN110118868A (en) * | 2019-04-18 | 2019-08-13 | 广州建筑产业研究院有限公司 | A kind of experimental rig and its test method of grouting material expansion rate |
| CN110243268A (en) * | 2019-06-10 | 2019-09-17 | 中国二十冶集团有限公司 | Volume of concrete linear deformation tester and test method |
| CN114113558A (en) * | 2022-01-26 | 2022-03-01 | 秦皇岛市政建材集团有限公司 | Grouting material self-drying shrinkage test equipment and method |
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2009
- 2009-09-23 CN CN2009202461030U patent/CN201508358U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353607A (en) * | 2011-06-15 | 2012-02-15 | 中国地质大学（武汉） | Contractometer |
| CN102262019A (en) * | 2011-07-05 | 2011-11-30 | 山东大学 | Triaxial rheology experimental device for soft rock material |
| CN104501757A (en) * | 2014-12-15 | 2015-04-08 | 中国南方航空工业(集团)有限公司 | Measuring method for thickness of cavity |
| CN105717283A (en) * | 2016-01-28 | 2016-06-29 | 山东大学 | Cement mortar drying shrinkage testing frame and testing method |
| CN105758885A (en) * | 2016-03-11 | 2016-07-13 | 上海市建筑科学研究院 | Method of detecting vertical expansivity of pulverized coal ash |
| CN105675844A (en) * | 2016-03-26 | 2016-06-15 | 西北大学 | Measurement device and method for frozen swell and melt settlement amount of loess sample |
| CN106226462A (en) * | 2016-06-15 | 2016-12-14 | 中交公局桥隧工程有限公司 | A kind of mensuration simultaneous grouting slurry for tunnel shield construction expansion rate device |
| CN106526147B (en) * | 2016-11-30 | 2019-06-25 | 东南大学 | A kind of device and method that the expansion character measuring mortar or concrete under the conditions of vertical half soaks measures |
| CN106526147A (en) * | 2016-11-30 | 2017-03-22 | 东南大学 | Device and method for measuring expansion performance of mortar or concrete under vertical semi-submerged condition |
| CN106969693A (en) * | 2017-03-24 | 2017-07-21 | 北京科技大学 | A kind of expansion filling body test block expansion rate determines device |
| CN106969693B (en) * | 2017-03-24 | 2020-02-07 | 北京科技大学 | Expansion rate measuring device for test block of expansion filling body |
| CN106932559A (en) * | 2017-04-06 | 2017-07-07 | 燕山大学 | A kind of test method for evaluating cement paste shrinkage |
| CN107037075A (en) * | 2017-05-31 | 2017-08-11 | 河南理工大学 | One kind expansion grout material solidification process expansion system safety testing device and method of testing |
| CN107037075B (en) * | 2017-05-31 | 2019-07-30 | 河南理工大学 | A kind of expansion grout material solidification process expansion system safety testing device and test method |
| CN108490160A (en) * | 2018-03-08 | 2018-09-04 | 同济大学 | A kind of detection method of cement mortar early-age shrinkage |
| CN108267397A (en) * | 2018-03-13 | 2018-07-10 | 中铁十二局集团第七工程有限公司 | Concrete re- vibrating contraction measuring device |
| CN110118868A (en) * | 2019-04-18 | 2019-08-13 | 广州建筑产业研究院有限公司 | A kind of experimental rig and its test method of grouting material expansion rate |
| CN110243268A (en) * | 2019-06-10 | 2019-09-17 | 中国二十冶集团有限公司 | Volume of concrete linear deformation tester and test method |
| CN110243268B (en) * | 2019-06-10 | 2021-06-04 | 中国二十冶集团有限公司 | Concrete volume linear deformation tester and testing method |
| CN114113558A (en) * | 2022-01-26 | 2022-03-01 | 秦皇岛市政建材集团有限公司 | Grouting material self-drying shrinkage test equipment and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20100923 |