CN215629841U - Miniature soil pressure cell fixing device - Google Patents
Miniature soil pressure cell fixing device Download PDFInfo
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- CN215629841U CN215629841U CN202121609490.7U CN202121609490U CN215629841U CN 215629841 U CN215629841 U CN 215629841U CN 202121609490 U CN202121609490 U CN 202121609490U CN 215629841 U CN215629841 U CN 215629841U
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- soil pressure
- pressure cell
- fixing block
- channel steel
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- 239000002689 soil Substances 0.000 title claims abstract description 91
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000004083 survival effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a fixing device for a miniature soil pressure cell, which comprises a channel steel for mounting the soil pressure cell, a chute matched with the channel steel and preset on the outer wall of a concrete structure, and an upper fixing block and a lower fixing block for fixing the position of the soil pressure cell. The upper fixing block and the lower fixing block are respectively provided with a groove in the middle, the left side and the right side of the rear end of the upper fixing block and the rear end of the lower fixing block are respectively provided with a vertical rod, connecting threads are arranged on the outer surface of each vertical rod, and the vertical rods are connected with nuts through the connecting threads on the outer surface. The problem of original bonding soil pressure cell fix the mode production at the channel-section steel surface bond insecure, it is not hard up easily for a long time is solved. The accuracy and the reliability of the monitoring data are improved.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering in-situ test, and particularly relates to a fixed mounting structure for a soil pressure cell.
Background
The calculation of soil pressure in geotechnical engineering is an important basis for the design of a geotechnical support structure, the soil pressure of the support structure is always a concern of geotechnical workers, and the field actual measurement of the soil pressure is one of effective means for acquiring the soil pressure.
The manual hole digging and pouring pile is characterized by that it adopts manual hole digging and forming, then places reinforcing bar cage and pours concrete to form pile. When the manual hole digging pile is constructed, manual work is adopted for underground operation, so that effective measures must be taken to ensure the stability of the hole wall, and the currently common wall protection measure is cast-in-place concrete wall protection.
In order to measure the soil pressure after the pile is manually dug and cast-in-place, a soil pressure box is usually arranged behind the pile in construction to measure the soil pressure after the pile. In order to improve the reliability of soil pressure measurement after a manual hole digging cast-in-place pile, a soil pressure box is fixed on the outer side of a concrete retaining wall, the lead of the soil pressure box is prevented from being broken by a reinforcement cage, various installation modes are adopted, the feasibility and the practicability of the patent CN201820403707.0 are very strong, but in the method, the soil pressure box is fixed on the outer surface of channel steel in a bonding mode, the bonding is easy, the bonding is not firm, the loosening is easy for a long time, and the accuracy and the reliability of monitoring data are poor.
Therefore, it is necessary to provide a fixing device for a miniature soil pressure cell, which improves the fixing mode.
Disclosure of Invention
In order to solve the problems that the bonding is not firm and is easy to loosen after a long time due to the mode that the bonding soil pressure cell is fixed on the outer surface of the channel steel, the utility model provides the following components: the concrete pressure box comprises a channel steel for mounting the soil pressure box, a chute which is matched with the channel steel and is preset on the outer wall of the concrete structure, and an upper fixing block and a lower fixing block which are used for fixing the position of the soil pressure box;
the upper fixing block and the lower fixing block are provided with grooves in the middle, the left side and the right side of the rear end of the upper fixing block and the rear end of the lower fixing block are respectively provided with a vertical rod, connecting threads are carved on the outer surfaces of the vertical rods, and the vertical rods are connected with nuts through the connecting threads on the outer surfaces.
Further, the cross-section of channel-section steel is the character cut in bas-relief, has seted up the line hole that is used for the threading and has been used for wearing the pole hole of the vertical pole on fixed block and the lower fixed block on the channel-section steel, and the line hole is passed to the cable of soil pressure cell, makes the cable of soil pressure cell arrange in the cavity of channel-section steel to the cable upwards draws forth along the channel-section steel, goes up the vertical pole of fixed block and lower fixed block and passes the pole hole, makes and goes up the fixed block and hug closely on the channel-section steel with lower fixed block.
Furthermore, the sliding grooves are two grooves vertically arranged on the outer wall of the concrete structure. The distance between two grooves is consistent with the distance between two side faces of the channel steel, so that the two side faces of the channel steel can be installed into the two grooves.
Further, the degree of depth of recess is less than the width of two sides of channel-section steel to after making the channel-section steel installation advance the recess, leave the space between channel-section steel and concrete structure's outer wall surface, be used for holding the cable of soil pressure cell and last fixed block and the vertical pole and the nut of lower fixed block.
Furthermore, the miniature soil pressure cell selects the soil pressure cell with the bottom outgoing line.
Furthermore, the width of the selected channel steel is not less than the diameter of the miniature soil pressure box.
Furthermore, the position of the wire hole is determined according to the embedding position of the soil pressure cell, the position of the rod hole is determined according to the positions of the upper fixing block, the lower fixing block and the upper fixing block, the groove of the upper fixing block is tightly attached to the upper edge of the soil pressure cell, and the groove of the lower fixing block is tightly attached to the lower edge of the soil pressure cell.
Furthermore, the size of a wire outlet hole in the channel steel is consistent with that of a wire outlet hole at the bottom of the soil pressure box, and a rod outlet hole in the channel steel is slightly larger than or equal to the diameter of the vertical rod on the upper fixing block and the vertical rod on the lower fixing block.
Furthermore, the soil pressure cell is fixed on the outer surface of the channel steel in a mode that the upper fixing block and the lower fixing block are clamped tightly, and the vertical rods of the upper fixing block and the lower fixing block are fixed on the channel steel through nuts after penetrating through the rod holes, so that the soil pressure cell is fixed.
The utility model has the advantages and beneficial effects that:
1. the accuracy of interface formula soil pressure cell installation and the precision of monitoring data have been improved. The soil pressure cell can be accurately installed to the designated position through the installation arrangement of the utility model, and the displacement phenomenon of the soil pressure cell which is embedded in the whole construction process can not occur, and even in later use, the soil pressure cell can not be loosened to influence the stability and the accuracy of the monitoring data.
2. The survival rate and the installation reliability of the soil pressure cell are improved. The channel steel has good protection performance, and the survival rate of the interfacial soil pressure cell can be improved to 100% without considering the product quality factor of the soil pressure cell.
3. The mounting speed of the interface type soil pressure cell is improved. The utility model can install the soil pressure cell quickly, conveniently and accurately through the pre-reserved chute, thereby greatly shortening the embedding time and effectively ensuring that the monitoring and installation do not influence the structure construction.
In conclusion, the adjustable fixed position mounting structure of the soil pressure box can conveniently and accurately carry out interface type mounting of the soil pressure box, solves the problems that the soil pressure box is easy to cover by concrete and the glue is removed from the soil pressure box and shifts after being buried, further saves mounting time, improves the survival rate of the soil pressure box and reduces mounting cost.
Drawings
FIG. 1 is a block diagram of the channel of the present invention;
FIG. 2 is a structural view of the soil pressure cell of the present invention, and the upper and lower fixing blocks mounted on the channel steel;
fig. 3 is a structural view of the utility model in which the vertical rod and the nut of the upper fixing block are mounted on the back of the channel steel.
FIG. 4 is a schematic view of the construction and installation of the present invention
Reference numerals
Wherein: 1 is the channel-section steel, and 101 is the line hole, and 102 is the pole hole, and 103 is the channel-section steel side, and 2 is the soil pressure cell, and 201 is the cable, and 3 are last fixed block, and 301 is vertical pole, and 302 is the nut, and 303 is the recess on the fixed block, and 4 are lower fixed block, and 5 are the spout, and a is concrete structure.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings, but the following examples are merely illustrative of preferred embodiments, which are provided to assist understanding of the present invention, and are not to be construed as limiting the present invention.
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
Example 1
The utility model discloses a fixed mounting device for a miniature soil pressure cell, which comprises a channel steel 1 for mounting the soil pressure cell, a chute 5 matched with the channel steel and preset on the outer wall of a concrete structure a, and an upper fixing block 3 and a lower fixing block 4 for fixing the position of the soil pressure cell.
The middle parts of the upper fixing block and the lower fixing block are provided with grooves 303, the left side and the right side of the rear ends of the upper fixing block 3 and the lower fixing block 4 are respectively provided with a vertical rod 301 provided with connecting threads, and the vertical rods are connected with nuts 302 through the connecting threads on the outer surfaces.
Example 2
The cross-section of channel-section steel 1 is the character cut in bas-relief, offers on the channel-section steel be used for the line hole 101 of threading and be used for wearing the vertical pole hole 102 on fixed block and the lower fixed block, and the cable 201 of soil pressure cell passes the line hole, makes the cable of soil pressure cell arrange in the cavity of channel-section steel to cable 201 upwards draws forth along the channel-section steel, goes up the vertical pole 301 of fixed block and lower fixed block and passes the pole hole, makes and goes up the fixed block and hug closely on the channel-section steel with lower fixed block.
The sliding grooves 5 are two grooves vertically arranged on the outer wall of the concrete structure. The distance between two grooves is consistent with the distance between two side faces of the channel steel, so that the two side faces of the channel steel can be installed into the two grooves.
The depth of the groove is smaller than the width of two side surfaces 103 of the channel steel, so that after the channel steel is installed in the groove, a gap is reserved between the channel steel and the outer wall surface of the concrete structure, and the vertical rod 301 and the nut 302 are used for containing a cable of the soil pressure cell, the upper fixing block and the lower fixing block.
Example 3
The miniature soil pressure cell selects a soil pressure cell with a bottom outgoing line.
The width of the selected channel steel is slightly larger than or equal to the diameter of the miniature soil pressure box.
The position of the wire hole is determined according to the embedding position of the soil pressure cell, the position of the rod hole is determined according to the positions of the upper fixing block, the lower fixing block and the upper fixing block, the groove of the upper fixing block is tightly attached to the upper edge of the soil pressure cell, and the groove of the lower fixing block is tightly attached to the lower edge of the soil pressure cell.
The outlet hole on the channel steel is consistent with the outlet hole at the bottom of the soil pressure box in size, and the outlet rod hole on the channel steel is slightly larger than or equal to the diameter of the vertical rod on the upper fixing block and the vertical rod on the lower fixing block.
The soil pressure cell is fixed on the outer surface of the channel steel in a mode that the upper fixing block and the lower fixing block are clamped tightly, and the vertical rods of the upper fixing block and the lower fixing block are fixed on the channel steel through nuts after penetrating through the rod holes, so that the soil pressure cell is fixed.
Example 4
The construction method for fixedly installing the soil pressure cell comprises the following steps:
1. the size of the selected channel steel is slightly larger than the diameter of the soil pressure cell;
2. according to the requirement of a design scheme, when a concrete structure is poured, a chute of channel steel is reserved;
3. according to the position of the soil pressure cell required to be measured by calculation, a wire hole is formed in the channel steel, the positions of the upper fixing block and the lower fixing block are determined according to the position of the soil pressure cell on the channel steel, and a rod hole is formed in the channel steel;
4. the soil pressure cell is clamped on the surface of the channel steel through the upper fixing block and the lower fixing block, the vertical rods of the upper fixing block and the lower fixing block penetrate through the rod holes, the nuts are screwed on the back of the channel steel, the cable of the soil pressure cell penetrates through the wire holes, the cable of the soil pressure cell is arranged in the cavity of the channel steel, and the cable is led out upwards along the channel steel.
The utility model being thus described by way of example, it will be understood that any simple alterations, modifications or other equivalent alterations which would be within the skill of the art without the exercise of inventive faculty, are within the scope of the utility model.
Claims (9)
1. The utility model provides a miniature soil pressure cell fixing device which characterized in that: the concrete pressure box comprises a channel steel (1) for mounting a soil pressure box (2), a chute (5) which is matched with the channel steel and is preset on the outer wall of a concrete structure (a), and an upper fixing block (3) and a lower fixing block (4) for fixing the position of the soil pressure box;
go up fixed block (3) and all seted up a recess (303) in the middle part of lower fixed block (4), go up fixed block (3) and respectively have a vertical pole (301) with lower fixed block (4) rear end left and right sides, be equipped with connecting thread on vertical pole (301) surface, and vertical pole (301) have nut (302) through the connecting thread connection on the surface.
2. The soil pressure cell fastening device of claim 1, wherein: the cross-section of channel-section steel (1) is the character cut in bas-relief, has seted up line hole (101) and pole hole (102) on channel-section steel (1), and line hole (101) are passed in cable (201) of soil pressure cell (2), make cable (201) arrange in the cavity of channel-section steel (1) to cable (201) upwards are drawn forth along channel-section steel (1), go up vertical pole (301) of fixed block (3) and lower fixed block (4) and pass pole hole (102), make and go up fixed block (3) and hug closely on the channel-section steel (1) with lower fixed block (4).
3. The soil pressure cell fastening device of claim 1, wherein: the sliding grooves (5) are two grooves vertically arranged on the outer wall of the concrete structure (a).
4. The soil pressure cell fastening device of claim 3, wherein: the distance between the two grooves is consistent with the distance between the two side faces (103) of the channel steel, so that the two side faces (103) of the channel steel can be installed into the two grooves.
5. The soil pressure cell fastening device of claim 3, wherein: the depth of the groove is smaller than the width of two side faces (103) of the channel steel, so that after the channel steel (1) is installed into the groove, a gap is reserved between the channel steel (1) and the outer wall surface of the concrete structure (a), and the groove is used for accommodating a cable of the soil pressure cell, and a vertical rod (301) and a nut (302) of the upper fixing block and the lower fixing block.
6. The soil pressure cell fastening device of claim 1, wherein: the soil pressure cell (2) is a soil pressure cell with a bottom outgoing line.
7. The soil pressure cell fastening device of claim 1, wherein: the width of the selected channel steel (1) is not less than the diameter of the soil pressure box (2).
8. The soil pressure cell fastening device of claim 2, wherein: the size of a wire outlet hole (101) in the channel steel is consistent with that of a wire outlet hole at the bottom of the soil pressure box, and a rod outlet hole (102) in the channel steel is slightly larger than or equal to the diameter of a vertical rod (301) on the upper fixing block (3) and the lower fixing block (4).
9. The soil pressure cell fastening device of claim 1, wherein: the soil pressure cell (2) is fixed on the outer surface of the channel steel (1) in a manner that the upper fixing block (3) and the lower fixing block (4) are clamped, and the vertical rods (301) of the upper fixing block (3) and the lower fixing block (4) are fixed on the channel steel (1) through nuts (302) after penetrating through the rod holes (102), so that the soil pressure cell (2) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121609490.7U CN215629841U (en) | 2021-07-15 | 2021-07-15 | Miniature soil pressure cell fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121609490.7U CN215629841U (en) | 2021-07-15 | 2021-07-15 | Miniature soil pressure cell fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629841U true CN215629841U (en) | 2022-01-25 |
Family
ID=79890259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121609490.7U Active CN215629841U (en) | 2021-07-15 | 2021-07-15 | Miniature soil pressure cell fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215629841U (en) |
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2021
- 2021-07-15 CN CN202121609490.7U patent/CN215629841U/en active Active
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