CN111721926A - Cement soil continuous steel wall construction cement soil state change test observation device - Google Patents
Cement soil continuous steel wall construction cement soil state change test observation device Download PDFInfo
- Publication number
- CN111721926A CN111721926A CN202010534730.5A CN202010534730A CN111721926A CN 111721926 A CN111721926 A CN 111721926A CN 202010534730 A CN202010534730 A CN 202010534730A CN 111721926 A CN111721926 A CN 111721926A
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- cement
- box body
- simulation box
- soil
- steel wall
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- 239000002689 soil Substances 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 239000004568 cement Substances 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 20
- 239000010959 steel Substances 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 230000008859 change Effects 0.000 title claims abstract description 13
- 238000004088 simulation Methods 0.000 claims abstract description 42
- 238000005192 partition Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000005341 toughened glass Substances 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 7
- 238000003780 insertion Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Ceramic Engineering (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention relates to a cement soil continuous steel wall construction cement soil state change test observation device, wherein a continuous wall body is arranged in a simulation box body, a plurality of slots are uniformly formed in one side of the simulation box body along the height direction of the simulation box body, and detachable partition plates are inserted in the slots; a supporting piece for supporting the partition plate is arranged in the simulation box body; a locking mechanism for limiting the maximum displacement of the partition plate after being pulled out is arranged on one side, located on the slot, of the outer part of the simulation box body; one side of the handle end of the partition board is provided with a locking groove which can be mutually locked with the locking mechanism; and toughened glass windows are fixedly arranged on two sides of the simulation box body. The invention can clearly observe and simulate the state change condition of cement slurry inside the groove section in the cement-soil continuous steel wall construction process, and adjust the proper cement slurry proportion according to the initial setting time of each layer of soil, so that each layer of cement soil is in a fluid state in the post-insertion section steel construction link, and the insertion depth and the verticality of the cement-soil continuous steel wall section steel can meet the construction requirements.
Description
Technical Field
The invention relates to a test observation device in engineering construction, in particular to a cement state change test observation device in the construction process of a cement continuous steel wall.
Background
With the high-speed continuous development of Chinese economy, more and more underground projects are provided, such as urban underground railways and stations, multi-layer basements of high-rise buildings, large underground parking lots, underground shopping malls and the like. The scale and depth of the foundation pit engineering are increasing continuously, and in urban deep foundation pits, the commonly adopted enclosure structures include TRD construction method piles, SMW piles, CSM walls (double-wheel milling and deep stirring), underground continuous walls and the like.
Along with the development and utilization of underground space, the grooving is deeper and deeper, and the soil layer condition of locating is also more and more complicated, and in the work progress, the grout performance variation condition of the different degree of depth in understanding the groove section is the key of guaranteeing that engineering safety goes on smoothly. The inside of a groove section can not be observed and researched in the existing grooving construction process, a 28d test block is generally drilled and taken in a drilling coring mode for performance research, the performance of the cement test block is not visual enough in the grooving construction process through the drilling coring mode, and the timeliness is poor, so that a cement soil state change measuring device in the cement soil continuous steel wall construction process needs to be provided.
Disclosure of Invention
The invention aims to solve the problems that cement test blocks are not visual enough in performance and poor in timeliness in the grooving construction process researched by a drilling coring mode in the prior art, and provides a cement-soil state change test observation device in cement-soil continuous steel wall construction.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cement soil state change test observation device in the construction of a cement soil continuous steel wall is provided with a simulation box body, a continuous wall body is arranged in the simulation box body, a plurality of slots are uniformly formed in one side of the simulation box body along the height direction of the simulation box body, and detachable partition plates are inserted in the slots; a supporting piece for supporting the partition plate is arranged in the simulation box body; a locking mechanism for limiting the maximum displacement of the partition plate after being pulled out is arranged on one side, located on the slot, of the outer part of the simulation box body; one side of the handle end of the partition board is provided with a locking groove which can be mutually locked with the locking mechanism; and toughened glass windows are fixedly arranged on two sides of the simulation box body.
Furthermore, support piece includes a set of axle core, and two axle cores set up respectively in the both sides of baffle, and the both ends of axle core are fixed on the inside of simulation box, the outside of axle core is equipped with the axle sleeve that can roll.
Further, the minimum distance between the two shaft sleeves in the same group is larger than the plate thickness of the partition plate.
Furthermore, a handle is fixedly arranged at one end of the clapboard, which is positioned outside the simulation box body.
Further, locking mechanism includes the casing, one side that the casing corresponds the baffle is equipped with locking portion, one side that locking portion was kept away from to the casing is equipped with the splenium of pressing of unblock, and locking portion is connected through the lever with pressing the splenium, and the middle part of lever is equipped with fixed round pin axle.
Furthermore, the locking part comprises a first sleeve, the first sleeve and the shell are of an integrated structure, a lock tongue capable of sliding up and down is arranged in the first sleeve, a connecting hole is formed in one end, located in the shell, of the lock tongue, a spring is fixedly arranged at the end of the connecting hole, the other end of the spring is fixed in the shell, and one end of the lever is inserted into the connecting hole.
Furthermore, the pressing portion comprises a second sleeve, the second sleeve and the shell are of an integral structure, a pressing block capable of sliding up and down is arranged in the second sleeve, and the pressing block abuts against one end, far away from the connecting hole, of the lever.
The invention has the beneficial effects that:
the invention can simulate the change condition of the cement slurry in the groove section in the construction process, and more conveniently and visually research the performance of the cement slurry in the groove forming process.
Drawings
FIG. 1 is a perspective view of the present invention in assembled configuration;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention filled with a continuous wall;
FIG. 4 is a schematic view of the locking mechanism and the locking groove of the present invention;
FIG. 5 is a schematic view of the present invention relating to the unlocking of the locking mechanism and the locking groove;
labeled as: the device comprises a simulation box body 1, a slot 2, a partition plate 3, a locking groove 31, a shaft core 4, a shaft sleeve 5, a handle 6, a locking mechanism 7, a shell 71, a first sleeve 72, a bolt 73, a connecting hole 74, a spring 75, a second sleeve 76, a pressing block 77, a pin shaft 78, a lever 79, a toughened glass window 8 and a continuous wall body 9.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1-5, the cement-soil continuous steel wall construction process cement-soil state change test observation device comprises a simulation box body 1, wherein a continuous wall body 9 is arranged in the simulation box body 1, a plurality of slots 2 are uniformly arranged on one side of the simulation box body 1 along the height direction of the simulation box body 1, and a partition plate 3 is detachably inserted in each slot 2;
supporting pieces for supporting the partition plates 3 are arranged on two sides in the simulation box body 1;
a locking mechanism 7 for limiting the maximum displacement of the partition plate 3 after being pulled out is arranged on one side of the slot 2 outside the simulation box body 1;
two sides of one end of the partition board 3 far away from the handle 6 are provided with locking grooves 31 which can be mutually locked with the locking mechanism 7;
and toughened glass windows 8 are fixedly arranged on two sides of the simulation box body 1.
The device for simulating the performance of the cement slurry in the groove section in the cement soil continuous steel wall construction process has the advantages of simple structure and easiness in operation, can simulate the change condition of the cement slurry in the groove section in the construction process, and is more convenient and visual for researching the performance of the cement slurry in the groove forming process.
Specifically, when in use, taking the simulation box body 1 as an example of selecting 600mm x 200mm x 1000mm, 10 layers of partition plates 3 are arranged inside the simulation box body 1, and each layer is 100mm, and different soil layer materials can be filled to form the continuous wall body 9; after filling materials of corresponding soil layers in each layer of the simulation box body 1, extruding and inserting the partition plates 3 according to the compaction, and filling the next layer of soil to enable the soil layers to simulate soil texture at different depth positions of the underground continuous wall 9 each time until the filling is finished; the simulation box body 1 is provided with a plurality of slots 2 and supporting pieces which can be used for fixing the position of the partition plate 3; after the filling is finished, the partition plates 3 are sequentially pulled out, so that the locking grooves 31 on the partition plates 3 are locked on the locking mechanism 7; the toughened glass windows 8 on the two sides of the simulation box body 1 are used for observing the wall body change in the simulation process, and are more visual.
Referring to fig. 1 and 3, further, the supporting member includes a set of shaft cores 4, two shaft cores 4 are respectively disposed at two sides of the partition plate 3, two ends of the shaft cores 4 are fixed inside the simulation box body 1, shaft sleeves 5 capable of rolling are disposed at outer sides of the shaft cores 4, and a minimum distance between the two shaft sleeves 5 in the same set is greater than a plate thickness of the partition plate 3.
The two ends of each partition plate 3 in the simulation box body 1 are respectively provided with a group of shaft cores 4 and shaft sleeves 5 for supporting and fixing the partition plates 3, the shaft cores 4 and the shaft sleeves 5 are favorable for inserting the partition plates 3, and compared with a slotting mode, the simulation box is more durable by placing the interference of the filler on the supporting piece, and meanwhile, the filler is prevented from blocking the slot.
Referring to fig. 1, a handle 6 is further fixedly arranged at one end of the partition board 3 positioned outside the simulation box body 1.
The handle 6 is arranged, so that the partition board 3 can be conveniently pulled out and inserted in the using process.
Referring to fig. 4 and 5, further, the locking mechanism 7 includes a housing 71, a locking portion is disposed on a side of the housing 71 corresponding to the partition board 3, a pressing portion for unlocking is disposed on a side of the housing 71 away from the locking portion, the locking portion and the pressing portion are connected by a lever 79, a fixed pin 78 is disposed in a middle portion of the lever 79, and the locking grooves 31 on two sides of one end of the partition board 3 away from the handle 6 can be mutually locked with the locking portion.
The locking portion comprises a first sleeve 72, the first sleeve 72 and the casing 71 are of an integral structure, a locking bolt 73 capable of sliding up and down is arranged in the first sleeve 72, a connecting hole 74 is formed in one end, located in the casing 71, of the locking bolt 73, a spring 75 is fixedly arranged at the end portion of the connecting hole 74, the other end of the spring 75 is fixed in the casing 71, and one end of a lever 79 is inserted into the connecting hole 74.
The pressing portion includes a second sleeve 76, the second sleeve 76 and the housing 71 are integrated, a pressing block 77 capable of sliding up and down is disposed in the second sleeve 76, and the pressing block 77 abuts against one end of the lever 79 far away from the connecting hole 74.
When the partition board 3 is drawn out, when the locking groove 31 comes to the locking mechanism 7, the bolt 73 enters the locking groove 31 under the action of the spring 75, the limiting locking of the locking mechanism 7 to the partition board 3 is realized, the partition board 3 is prevented from being drawn out once, when the partition board 3 needs to be drawn out, the pressing block 77 is pressed by a hand, the bolt 73 is lifted up under the action of the lever 79 to be separated from the locking groove 31, and at the moment, the partition board 3 can be completely taken out of the slot 2.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a cement soil continuous shaped steel wall construction normal water soil state change test observation device, has a simulation box, its characterized in that: a continuous wall body is arranged in the simulation box body, a plurality of slots are uniformly formed in one side of the simulation box body along the height direction of the simulation box body, and detachable partition plates are inserted in the slots; a supporting piece for supporting the partition plate is arranged in the simulation box body; a locking mechanism for limiting the maximum displacement of the partition plate after being pulled out is arranged on one side, located on the slot, of the outer part of the simulation box body; one side of the handle end of the partition board is provided with a locking groove which can be mutually locked with the locking mechanism; and toughened glass windows are fixedly arranged on two sides of the simulation box body.
2. The observation device for testing the changes of the cement-soil state in the construction of the cement-soil continuous steel wall according to claim 1, which is characterized in that: the support piece comprises a group of shaft cores, the two shaft cores are respectively arranged on two sides of the partition board, two ends of each shaft core are fixed inside the simulation box body, and shaft sleeves capable of rolling are arranged on the outer sides of the shaft cores.
3. The observation device for testing the changes of the cement-soil state in the construction process of the cement-soil continuous steel wall according to claim 2, is characterized in that: the minimum distance between the two shaft sleeves in the same group is larger than the plate thickness of the partition plate.
4. The observation device for testing the changes of the cement-soil state in the construction of the cement-soil continuous steel wall according to claim 1, which is characterized in that: and a handle is fixedly arranged at one end of the clapboard, which is positioned outside the simulation box body.
5. The observation device for testing the changes of the cement-soil state in the construction of the cement-soil continuous steel wall according to claim 1, which is characterized in that: locking mechanism includes the casing, one side that the casing corresponds the baffle is equipped with locking portion, one side that locking portion was kept away from to the casing is equipped with the splenium of pressing of unblock, and locking portion is connected through the lever with pressing the splenium, and the middle part of lever is equipped with fixed round pin axle.
6. The observation device for testing the changes of the cement-soil state in the cement-soil continuous steel wall construction according to claim 5, wherein: the locking part comprises a first sleeve, the first sleeve and the shell are of an integrated structure, a spring bolt capable of sliding up and down is arranged in the first sleeve, a connecting hole is formed in one end, located in the shell, of the spring bolt, a spring is fixedly arranged at the end of the connecting hole, the other end of the spring is fixed in the shell, and one end of the lever is inserted into the connecting hole.
7. The observation device for testing the changes of the cement-soil state in the cement-soil continuous steel wall construction according to claim 5, wherein: the pressing portion comprises a second sleeve, the second sleeve and the shell are of an integrated structure, a pressing block capable of sliding up and down is arranged in the second sleeve, and the pressing block abuts against one end, far away from the connecting hole, of the lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010534730.5A CN111721926A (en) | 2020-06-12 | 2020-06-12 | Cement soil continuous steel wall construction cement soil state change test observation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010534730.5A CN111721926A (en) | 2020-06-12 | 2020-06-12 | Cement soil continuous steel wall construction cement soil state change test observation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111721926A true CN111721926A (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010534730.5A Pending CN111721926A (en) | 2020-06-12 | 2020-06-12 | Cement soil continuous steel wall construction cement soil state change test observation device |
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| CN (1) | CN111721926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513051A (en) * | 2021-04-22 | 2021-10-19 | 上海市基础工程集团有限公司 | Underground diaphragm wall groove section construction slurry performance test device and test method thereof |
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| CN107956344A (en) * | 2017-12-29 | 2018-04-24 | 上海古鳌电子科技股份有限公司 | A kind of locker |
| CN108709977A (en) * | 2018-07-19 | 2018-10-26 | 浙江大学城市学院 | A kind of ground preloading influences the indoor model test device and test method of existing subway tunnel |
| CN108828184A (en) * | 2018-04-20 | 2018-11-16 | 李静娴 | A kind of coal field mining subsidence similar experimental model device |
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2020
- 2020-06-12 CN CN202010534730.5A patent/CN111721926A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103913560A (en) * | 2013-01-05 | 2014-07-09 | 中交武汉港湾工程设计研究院有限公司 | Real-time monitoring system of condensing state of concrete and real-time monitoring method |
| CN103821359A (en) * | 2014-02-28 | 2014-05-28 | 中天建设集团有限公司 | Large-cross-section concrete beam layered casting construction method |
| CN205139135U (en) * | 2015-11-17 | 2016-04-06 | 山东科技大学 | A experiment box for measuring garrulous coefficient that expands of fractured roof simulant material |
| CN107656037A (en) * | 2017-08-30 | 2018-02-02 | 中交四航工程研究院有限公司 | A kind of box hat high-flowing concrete performance verification method |
| CN107956344A (en) * | 2017-12-29 | 2018-04-24 | 上海古鳌电子科技股份有限公司 | A kind of locker |
| CN108828184A (en) * | 2018-04-20 | 2018-11-16 | 李静娴 | A kind of coal field mining subsidence similar experimental model device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113513051A (en) * | 2021-04-22 | 2021-10-19 | 上海市基础工程集团有限公司 | Underground diaphragm wall groove section construction slurry performance test device and test method thereof |
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Application publication date: 20200929 |
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