CN114113558A - Grouting material self-drying shrinkage test equipment and method - Google Patents
Grouting material self-drying shrinkage test equipment and method Download PDFInfo
- Publication number
- CN114113558A CN114113558A CN202210088648.3A CN202210088648A CN114113558A CN 114113558 A CN114113558 A CN 114113558A CN 202210088648 A CN202210088648 A CN 202210088648A CN 114113558 A CN114113558 A CN 114113558A
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- China
- Prior art keywords
- grouting material
- sleeve
- sleeves
- arc
- drying shrinkage
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- 239000000463 material Substances 0.000 title claims abstract description 64
- 238000001035 drying Methods 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 6
- 235000014121 butter Nutrition 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 6
- 238000010998 test method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000004519 grease Substances 0.000 description 4
- 239000011440 grout Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Ceramic Engineering (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a test device and a method for testing self-drying shrinkage of grouting material, comprising the following steps: the device comprises a bottom plate, a transverse plate, a vertical plate, a cushion block, a sleeve, a moving piece and a dial indicator; the transverse plate is horizontally arranged above the bottom plate through the vertical plate; the number of the cushion blocks is multiple, and the cushion blocks are respectively and uniformly arranged on the bottom plate; the sleeves and the cushion blocks are respectively arranged correspondingly, the bottoms of the sleeves are clamped on the cushion blocks, and the sleeves are used for placing grouting materials; the number of the moving pieces is the same as that of the sleeves, and the moving pieces are respectively and correspondingly arranged at the tops of the grouting materials in the sleeves and are in contact with the grouting materials; the quantity of amesdial is the same with the quantity that removes the piece, and a plurality of amesdials all set up on the diaphragm, and the gauge head of a plurality of amesdials contacts with the top of a plurality of removal pieces respectively. The invention provides a test device capable of efficiently and conveniently testing self-drying shrinkage of grouting material.
Description
Technical Field
The invention relates to a grouting material, in particular to a self-drying shrinkage test device and a self-drying shrinkage test method for the grouting material.
Background
The concrete grouting material engineering cracks are mostly caused by self-drying shrinkage of the concrete grouting material, and the self-drying shrinkage is the inherent property of the concrete grouting material. The self-drying shrinkage properties of the grout material affect not only the integrity of the grout material, but also the durability and safety of the structure. The self-drying shrinkage property of the grouting material is required to be tested, and the existing testing equipment is complex in use and cannot obtain accurate data.
Disclosure of Invention
The invention mainly aims to provide test equipment and a method for testing self-drying shrinkage of grouting material, which can be used for efficiently and conveniently testing the self-drying shrinkage of the grouting material.
In order to solve the technical problems, the invention adopts the technical scheme that: a grouting material self-drying shrinkage test device comprises: the device comprises a bottom plate, a transverse plate, a vertical plate, a cushion block, a sleeve, a moving piece and a dial indicator;
the transverse plate is horizontally arranged above the bottom plate through the vertical plate;
the number of the cushion blocks is multiple, the cushion blocks are uniformly arranged on the bottom plate, and the cushion blocks are cylinders;
the number of the sleeves is the same as that of the cushion blocks, the plurality of sleeves and the plurality of cushion blocks are respectively arranged correspondingly, the inner diameter of each sleeve is the same as the radius of the cushion block, the sleeves are sleeved outside the cushion blocks, the bottoms of the sleeves are clamped on the cushion blocks, and the sleeves are used for placing grouting materials;
the number of the moving pieces is the same as that of the sleeves, and each moving piece is correspondingly arranged at the top of the grouting material in each sleeve and is in contact with the grouting material;
the quantity of amesdial is the same with the quantity that removes the piece, and every amesdial all sets up on the diaphragm, and the gauge head of a plurality of amesdials contacts with the top that removes the piece that corresponds respectively.
Further, the sleeve includes two arcs, and two arcs pass through the buckle along the both sides of circumference and connect.
Further, two arc along the both ends of circumference all through two sets of buckles connection, every group buckle all includes connecting plate and bolt, and the connecting plate is two, sets up respectively at two arc along the tip of circumference, and the bolt passes two connecting plates in proper order and locks.
Further, the cross-section of the arc-shaped plate is semicircular.
Furthermore, the cushion block is a cylinder, the radius of the section of the cushion block is the same as the inner diameter of the sleeve, and the sleeve is sleeved outside the cushion block.
Furthermore, the moving piece is in a disc shape, and the radius of the moving piece is smaller than the inner diameter of the sleeve.
Further, the moving plate is made of glass.
A self-drying shrinkage test method of grouting material comprises the following steps:
firstly, uniformly coating butter on the inner part of the sleeve and the top of the cushion block;
secondly, injecting the mixed grouting material into the sleeve;
thirdly, placing a moving sheet on the top of the grouting material;
fourthly, enabling a measuring head of the dial indicator to be in contact with the moving sheet, and reading the numerical value of the dial indicator;
and fifthly, reading and recording the numerical value of the dial indicator after different time.
Further, the sleeve includes two arcs, and two arcs pass through the buckle and connect, and in step one, evenly paint the butter again after taking apart two arcs of sleeve earlier.
The invention has the beneficial effects that:
the grouting material testing device is simple in structure, the cushion block is arranged to facilitate the sleeve to be vertically arranged, the sleeve is also convenient to take down from the cushion block, the sleeve comprises two arc-shaped plates which are detachably connected through a buckle, solidified grouting material is convenient to take down, the cushion block, the sleeve, the moving piece and the dial indicator are all provided in plurality, multiple groups of grouting materials can be tested simultaneously, and high efficiency and rapidness of the test are guaranteed.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic perspective view of the present invention without a sleeve;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a front view of the sleeve of the present invention;
fig. 4 is a top view of the sleeve of the present invention.
Description of the reference numerals
1. A base plate; 2. a transverse plate; 3. a vertical plate; 4. cushion blocks; 5. a sleeve; 51. an arc-shaped plate; 52. buckling; 521. a connecting plate; 522. a bolt; 6. moving the sheet; 7. and (5) a dial indicator.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-4, an experimental apparatus for testing self-drying shrinkage of grouting material includes: the device comprises a bottom plate 1, a transverse plate 2, a vertical plate 3, a cushion block 4, a sleeve 5, a moving piece 6 and a dial indicator 7;
the transverse plate 2 is horizontally arranged above the bottom plate 1 through the vertical plate 3; the quantity of riser 3 is two, and two risers 3 are vertical setting respectively at the both ends of bottom plate 1, and the bottom plate 1 of two risers 3 are connected, and the both ends of diaphragm 2 are connected with the top of two risers 3 respectively, and diaphragm 2 and bottom plate 1 parallel arrangement.
The number of the cushion blocks 4 is multiple, the cushion blocks 4 are uniformly arranged on the bottom plate 1 along the length direction of the bottom plate 1, and the cushion blocks 4 are cylinders;
the number of the sleeves 5 is the same as that of the cushion blocks 4, the plurality of sleeves 5 and the plurality of cushion blocks 4 are respectively arranged correspondingly, the inner diameter of each sleeve 5 is the same as the radius of each cushion block 4, the sleeves 5 are sleeved outside the cushion blocks 4, the bottoms of the sleeves 5 are clamped on the cushion blocks 4, and the sleeves 5 are used for placing grouting materials;
the number of the movable pieces 6 is the same as that of the sleeves 5, and each movable piece 6 is correspondingly arranged at the top of the grouting material in each sleeve 5 and is in contact with the grouting material;
the number of the dial indicators 7 is the same as that of the movable pieces 6, the dial indicators 7 are arranged on the transverse plate 2, and the measuring head of each dial indicator 7 is in contact with the top of the corresponding movable piece 6.
In the invention, when the grouting material shrinkage tester is used, butter is uniformly coated on the inner wall of the sleeve 5 and the top surface of the cushion block 4, the mixed grouting material is poured into the sleeve 5, the movable sheet 6 is placed at the top of the grouting material, the measuring head of the dial indicator 7 is always in contact with the movable sheet 6, the movable sheet 6 can move downwards along with the shrinkage of the grouting material, and the numerical value on the dial indicator 7 is read in different time according to the test requirement, so that the shrinkage of the grouting material is researched.
Further, the sleeve 5 includes two arc-shaped plates 51, and both ends of the two arc-shaped plates 51 in the circumferential direction are connected by a snap 52.
Further, two ends of two arc plates 51 along circumference are all connected through two sets of buckles 52, and every group buckle 52 all includes connecting plate 521 and bolt 522, and connecting plate 521 is two, sets up respectively at the end of two arc plates 51 along circumference, and bolt 522 passes two connecting plates 521 and locks in proper order.
Further, the arc-shaped plate 51 has a semicircular cross section.
According to the invention, the two arc-shaped plates 51 are arranged, so that butter can be conveniently smeared on the inner walls of the arc-shaped plates 51, the purpose of smearing butter is convenient for separating the grouting material solidified in the sleeve 5 from the arc-shaped plates 51 after a test, and the sleeve 5 comprises the two arc-shaped plates 51, so that butter smearing is more convenient. And two arc-shaped plates 51 are connected through connecting plate 521 and bolt 522, can be convenient for operate, when needing to connect two arc-shaped plates 51, use bolt 522 with two connecting plates 521 fix can, when needing to separate two arc-shaped plates 51, it can to twist bolt 522 and part two connecting plates 521, simple structure convenient operation. The arc-shaped plates 51 are semicircular in cross section, i.e. the sleeve 5 formed by the two arc-shaped plates 51 is shaped like a cylinder.
Furthermore, the cushion block 4 is a cylinder, the radius of the section of the cushion block 4 is the same as the inner diameter of the sleeve 5, and the sleeve 5 is sleeved outside the cushion block 4. Cushion 4 and sleeve 5 joint setting, the setting of cushion 4 can be convenient for make the vertical setting of sleeve 5, also is convenient for dismantle sleeve 5 get off.
Further, the moving piece 6 is disk-shaped, and the radius of the moving piece 6 is smaller than the inner diameter of the sleeve 5. The movable sheet 6 is convenient to move up and down according to the shrinkage of the grouting material, and the shrinkage of the grouting material is researched by reading the data of the movable sheet 6 moving up and down.
Further, the moving plate 6 is made of glass. The glass material is convenient for observe the state of the grouting material below the glass material.
Further, one end of each arc-shaped plate 51 along the circumferential direction is provided with a notch, the other end is provided with a protrusion, and the notch on each arc-shaped plate 51 is matched with the protrusion on the corresponding arc-shaped plate 51. A tighter connection of the two arc-shaped plates 51 can be ensured.
A self-drying shrinkage test method of grouting material comprises the following steps:
firstly, grease is uniformly applied to the inner part of the sleeve 5 and the top of the cushion block 4, the two arc-shaped plates 51 of the sleeve 5 can be separated before the grease is applied, and the grease is respectively applied to the inner walls of the arc-shaped plates 51 and the cushion block 4, so that the grease application process is more convenient and more uniform; after the butter is coated, the two arc-shaped plates 51 are connected through the buckles 52 and clamped on the cushion block 4.
Secondly, the mixed grouting material is poured into the sleeve 5, and when the grouting material is poured, the grouting material is not required to be overflowed out of the sleeve 5, so that the top of the grouting material can be positioned at one fourth of the top of the sleeve 5.
Thirdly, a moving sheet 6 is placed at the top of the grouting material, the radius of the moving sheet 6 is 2-5mm smaller than the inner diameter of the sleeve 5, and the moving sheet 6 is made of glass materials, so that the state of the grouting material can be observed conveniently;
fourthly, enabling a measuring head of the dial indicator 7 to be in contact with the movable sheet 6, and reading a numerical value of the dial indicator 7, wherein the numerical value is an initial numerical value of the grouting material placed in the sleeve 5;
and fifthly, reading and recording the numerical value of the dial indicator 7 after different time, and further analyzing the properties of the grouting material through data research.
The foregoing description is only of the preferred embodiments of the present invention, and it should be understood that the described embodiments are only a few, and not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a grouting material is from test equipment of dry shrinkage which characterized in that includes: the device comprises a bottom plate (1), a transverse plate (2), a vertical plate (3), a cushion block (4), a sleeve (5), a moving sheet (6) and a dial indicator (7);
the transverse plate (2) is horizontally arranged above the bottom plate (1) through the vertical plate (3);
the number of the cushion blocks (4) is multiple, the cushion blocks (4) are uniformly arranged on the bottom plate (1), and the cushion blocks (4) are cylinders;
the number of the sleeves (5) is the same as that of the cushion blocks (4), the sleeves (5) and the cushion blocks (4) are arranged correspondingly, the inner diameter of each sleeve (5) is the same as the radius of each cushion block (4), the sleeves (5) are sleeved outside the cushion blocks (4), the bottoms of the sleeves (5) are clamped on the cushion blocks (4), and the sleeves (5) are used for placing grouting materials;
the number of the movable sheets (6) is the same as that of the sleeves (5), and each movable sheet (6) is correspondingly arranged at the top of the grouting material in each sleeve (5) and is in contact with the grouting material;
the quantity of amesdial (7) is the same with the quantity of removal piece (6), and every amesdial (7) all set up on diaphragm (2), and the gauge head of a plurality of amesdials (7) contacts with the top of the removal piece (6) that corresponds respectively.
2. The self-drying shrinkage test device for the grouting material as claimed in claim 1, wherein the sleeve (5) comprises two arc-shaped plates (51), and the two arc-shaped plates (51) are connected by a buckle (52) along two sides of the circumferential direction.
3. The self-drying shrinkage test equipment for grouting material as claimed in claim 2, wherein two circumferential ends of the two arc-shaped plates (51) are connected through two sets of buckles (52), each set of buckles (52) comprises two connecting plates (521) and two bolts (522), the two connecting plates (521) are respectively arranged at the circumferential ends of the two arc-shaped plates (51), and the bolts (522) sequentially penetrate through the two connecting plates (521) and are locked.
4. The self-drying shrinkage test device for grouting material as claimed in claim 2, wherein the cross section of the arc-shaped plate (51) is semicircular.
5. The self-drying shrinkage test device for grouting material as claimed in claim 1, characterized in that the moving plate (6) is disk-shaped, and the radius of the moving plate (6) is smaller than the inner diameter of the sleeve (5).
6. The self-drying shrinkage test device for grouting material as claimed in claim 1, characterized in that the moving sheet (6) is made of glass.
7. A method for testing self-drying shrinkage of grouting material, using the apparatus of claim 1, comprising:
firstly, uniformly coating butter on the inner part of the sleeve (5) and the top of the cushion block (4);
secondly, pouring the mixed grouting material into the sleeve (5);
thirdly, placing a moving sheet (6) on the top of the grouting material;
fourthly, enabling a measuring head of the dial indicator (7) to be in contact with the movable sheet (6), and reading the numerical value of the dial indicator (7);
and fifthly, reading and recording the numerical value of the dial indicator (7) after different time.
8. The self-drying shrinkage test method of grouting material according to claim 7, characterized in that the sleeve (5) comprises two arc-shaped plates (51), the two arc-shaped plates (51) are connected through a buckle (52), and in the first step, the two arc-shaped plates (51) of the sleeve (5) are firstly disassembled and then evenly coated with butter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210088648.3A CN114113558A (en) | 2022-01-26 | 2022-01-26 | Grouting material self-drying shrinkage test equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210088648.3A CN114113558A (en) | 2022-01-26 | 2022-01-26 | Grouting material self-drying shrinkage test equipment and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114113558A true CN114113558A (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210088648.3A Pending CN114113558A (en) | 2022-01-26 | 2022-01-26 | Grouting material self-drying shrinkage test equipment and method |
Country Status (1)
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| CN (1) | CN114113558A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973511A (en) * | 2023-07-25 | 2023-10-31 | 秦皇岛市政建材集团有限公司 | Device and method for measuring filling degree of grouting material |
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| WO2020135484A1 (en) * | 2018-12-25 | 2020-07-02 | 浙江大学 | Device and method for detecting density of grouts in connecting structure of steel sleeve |
| CN212159508U (en) * | 2020-05-22 | 2020-12-15 | 中国建材检验认证集团浙江有限公司 | Drying shrinkage testing device |
| CN213579000U (en) * | 2020-11-20 | 2021-06-29 | 天津市建筑材料科学研究院有限公司 | Cement-based grouting material volume change measuring device |
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2022
- 2022-01-26 CN CN202210088648.3A patent/CN114113558A/en active Pending
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| CN200979544Y (en) * | 2006-11-03 | 2007-11-21 | 北京工业大学 | A cement concrete autogenous-shrinkage ratio detector |
| CN201508358U (en) * | 2009-09-23 | 2010-06-16 | 交通部公路科学研究所 | Early expansion and contraction tester of concrete road slab bottom grouting material |
| CN103108616A (en) * | 2010-08-20 | 2013-05-15 | 宝洁公司 | Absorbent article and components thereof having improved softness signals, and methods for manufacturing |
| CN202114961U (en) * | 2011-05-20 | 2012-01-18 | 西北工业大学 | Moulding mould for powder type material moulding pipe product |
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| CN207703862U (en) * | 2018-01-04 | 2018-08-07 | 北京建筑大学 | A kind of Mortar shrinkage test stand |
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| CN116973511A (en) * | 2023-07-25 | 2023-10-31 | 秦皇岛市政建材集团有限公司 | Device and method for measuring filling degree of grouting material |
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Application publication date: 20220301 |
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