CN111855580A - Cement soil state contrast test device for cement soil continuous steel wall construction - Google Patents
Cement soil state contrast test device for cement soil continuous steel wall construction Download PDFInfo
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- CN111855580A CN111855580A CN202010736948.9A CN202010736948A CN111855580A CN 111855580 A CN111855580 A CN 111855580A CN 202010736948 A CN202010736948 A CN 202010736948A CN 111855580 A CN111855580 A CN 111855580A
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- simulation box
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0389—Windows
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
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Abstract
The invention relates to a cement soil state contrast test device for cement soil continuous steel wall construction, wherein a first simulation box and a second simulation box are combined into an integral structure, and an inserting plate is arranged between the first simulation box and the second simulation box; a plurality of slots and clamping grooves are respectively and correspondingly arranged on the two sides of the first simulation box and the second simulation box along the depth direction of the first simulation box and the second simulation box; a baffle is inserted between the slots and the clamping slots of any group of the first simulation box and the second simulation box; and toughened glass windows for observing the simulated continuous wall bodies are arranged on two sides of the first simulation box and the second simulation box. The invention can clearly observe the property change of cement soil at each layer in the groove section in the construction process of the cement soil continuous steel wall with different cement slurry ratios to optimize the ratio, and can comprehensively select the proper cement slurry ratio according to the initial setting time of the cement soil at each layer, so that the cement soil at each layer is in a fluid state in the construction link of the profile steel inserted behind the continuous steel wall, and the insertion depth and the verticality of the profile steel of the cement soil continuous steel wall are ensured to meet the construction requirements.
Description
Technical Field
The invention relates to a cement contrast test device, in particular to a cement state contrast test device for cement continuous steel wall construction.
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 cannot 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, and the performance of the cement test block is not visual enough and the timeliness is poor in the grooving construction process researched through the drilling coring mode. Especially when the material needs to be selected, time, energy, financial resources and material resources are consumed, the material performance can not be quickly and effectively compared, and a more suitable material ratio is selected. Therefore, a cement soil state contrast test device for cement soil continuous steel wall construction needs to be provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a cement soil state contrast test device for cement soil continuous steel wall construction.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cement soil state contrast test device for cement soil continuous steel wall construction comprises a first simulation box and a second simulation box, wherein the first simulation box and the second simulation box are combined into an integral structure, and an inserting plate is arranged between the first simulation box and the second simulation box; a plurality of slots and clamping slots are respectively and correspondingly arranged on two sides of the first simulation box and the second simulation box along the depth direction of the first simulation box and the second simulation box; a baffle is inserted between the slots and the clamping slots of any one group of the first simulation box and the second simulation box; and toughened glass windows for observing the simulated continuous wall are arranged on two sides of the first simulation box and the second simulation box.
Further, a flange is arranged outside the slot.
Furthermore, the flange is provided with a pin hole along the width direction in a penetrating manner, and a pin for sealing is inserted into the pin hole.
Furthermore, the inner part of the pin hole is circumferentially provided with a sealing ring, and the sealing ring is a wear-resistant and corrosion-resistant rubber ring.
Furthermore, slots and slots in the first simulation box and the second simulation box are symmetrically arranged, and the number of the slots and the slots is ten.
Furthermore, a handle is arranged at one end of the outer side of the baffle.
The invention has the beneficial effects that: the invention can simulate the change condition of the cement slurry in the groove section in the cement-soil continuous steel wall construction process, can synchronously carry out two or more groups of simulation tests, can arrange a comparison group, and is more convenient and visual to research the cement slurry performance in the cement-soil continuous steel wall construction process.
Drawings
FIG. 1 is a schematic diagram of a comparative test apparatus according to the present invention;
FIG. 2 is a sectional view showing the structure of a comparative test apparatus according to the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a schematic view showing the internal structure of the comparative test apparatus of the present invention, which is equipped with different soil layers.
Labeled as: the device comprises a first simulation box 1, a second simulation box 2, an inserting plate 3, a toughened glass window 4, a slot 5, a clamping groove 6, a flange 7, a pin hole 8, a pin 9, a baffle plate 10, a handle 11 and a sealing ring 12.
Detailed Description
The invention is further illustrated by the following specific examples in conjunction with the accompanying drawings. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention.
Referring to fig. 1-4, a soil cement state contrast test device for soil cement continuous steel wall construction comprises a first simulation box 1 and a second simulation box 2, wherein the first simulation box 1 and the second simulation box 2 are combined into an integral structure, and an inserting plate 3 is arranged between the first simulation box 1 and the second simulation box 2.
The two sides of the first simulation box 1 and the second simulation box 2 are respectively and correspondingly provided with a plurality of slots 5 and slots 6 along the depth direction. A baffle 10 is all installed to first simulation case 1 and second simulation case 2, and baffle 10 can insert to be established between slot 5 and draw-in groove 6, and the outside one end of baffle 10 is equipped with handle 11, sets up draw-in groove 6 and prevents that uneven baffle 10 of atress from warping the rupture.
The outside of slot 5 is equipped with flange 7, and flange 7 runs through along its width direction and is equipped with pinhole 8, can insert in the pinhole 8 and be equipped with the pin 9 that is used for sealed, is equipped with sealing washer 12 on the inside circumference of pinhole 8, and 12 wear-resisting corrosion-resistant rubber rings of sealing washer, setting up pin 9 and can effectively preventing soil body or mud from leaking.
The two sides of the first simulation box 1 and the second simulation box 2 are both provided with toughened glass windows 4 used for observing simulation continuous walls, and different soil layer conditions in the box body can be observed by arranging the toughened glass windows 4.
The slots 5 and the clamping slots 6 in the first simulation box 1 and the second simulation box 2 are symmetrically arranged, and the number of the slots 5 and the clamping slots 6 is ten groups.
In this embodiment: the test box body is of a cuboid upper opening structure; the test box body is divided into two identical test boxes I and II by a fixed vertical inserting plate along the long edge direction, the vertical inserting plate is fixedly connected with the test box body and is well sealed, and liquid permeation or material exchange cannot be generated between the test boxes I and II; a plurality of slots are formed in the two opposite sides of the first test box and the second test box at equal intervals along the height direction of the box body, and transverse inserting plates are detachably inserted into the slots; a plurality of clamping grooves which correspond to the slots one by one are formed in the two sides of the vertical inserting plate, and sliding grooves which are used for supporting the transverse inserting plate and ensuring the transverse inserting plate to be extracted back and forth are formed in the left side and the right side of the inner parts of the first test box and the second test box; and toughened glass windows for contrasting and observing test states of cement and soil with different proportions are arranged on the left side and the right side of the first test box and the second test box.
The cement soil state contrast test device for the cement soil continuous steel wall construction, disclosed by the invention, has a simple structure, is easy to operate, can simulate the change condition of cement slurry inside a groove section in the CSM construction process, can synchronously carry out two or more groups of simulation tests, can be provided with a contrast group, and is more convenient and visual to research the performance of the cement slurry in the CSM grooving process.
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 (6)
1. The utility model provides a soil cement state contrast test device of soil cement continuous steel wall construction, includes first simulation case and second simulation case, its characterized in that: the first simulation box and the second simulation box are combined into an integral structure, and an inserting plate is arranged between the first simulation box and the second simulation box; a plurality of slots and clamping slots are respectively and correspondingly arranged on two sides of the first simulation box and the second simulation box along the depth direction of the first simulation box and the second simulation box; a baffle is inserted between the slots and the clamping slots of any one group of the first simulation box and the second simulation box; and toughened glass windows for observing the simulated continuous wall are arranged on two sides of the first simulation box and the second simulation box.
2. The soil cement state contrast test device for the soil cement continuous steel wall construction according to claim 1, characterized in that: and a flange is arranged outside the slot.
3. The soil cement state contrast test device for soil cement continuous steel wall construction according to claim 2, characterized in that: the flange is provided with a pin hole along the width direction in a penetrating manner, and a pin for sealing is inserted into the pin hole.
4. The soil cement state contrast test device for soil cement continuous steel wall construction according to claim 3, characterized in that: the inner part of the pin hole is circumferentially provided with a sealing ring, and the sealing ring is a wear-resistant and corrosion-resistant rubber ring.
5. The soil cement state contrast test device for the soil cement continuous steel wall construction according to claim 1, characterized in that: slots and slots in the first simulation box and the second simulation box are symmetrically arranged, and the number of the slots and the slots is ten.
6. The soil cement state contrast test device for the soil cement continuous steel wall construction according to claim 1, characterized in that: and one end of the outer side of the baffle is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010736948.9A CN111855580A (en) | 2020-07-28 | 2020-07-28 | Cement soil state contrast test device for cement soil continuous steel wall construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010736948.9A CN111855580A (en) | 2020-07-28 | 2020-07-28 | Cement soil state contrast test device for cement soil continuous steel wall construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111855580A true CN111855580A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010736948.9A Pending CN111855580A (en) | 2020-07-28 | 2020-07-28 | Cement soil state contrast test device for cement soil continuous steel wall construction |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108828184A (en) * | 2018-04-20 | 2018-11-16 | 李静娴 | A kind of coal field mining subsidence similar experimental model device |
-
2020
- 2020-07-28 CN CN202010736948.9A patent/CN111855580A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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Application publication date: 20201030 |
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| RJ01 | Rejection of invention patent application after publication |