CN107761786B - A kind of mounting process for deep embeded type soil pressure cell - Google Patents

A kind of mounting process for deep embeded type soil pressure cell Download PDF

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Publication number
CN107761786B
CN107761786B CN201710959426.3A CN201710959426A CN107761786B CN 107761786 B CN107761786 B CN 107761786B CN 201710959426 A CN201710959426 A CN 201710959426A CN 107761786 B CN107761786 B CN 107761786B
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China
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casing
pressure cell
soil pressure
mounting
connector
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CN201710959426.3A
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CN107761786A (en
Inventor
王德传
王孟
王怡
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Zhejiang Coal Surveying And Mapping Institute Co Ltd
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Zhejiang Coal Surveying And Mapping Institute Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures

Abstract

The invention discloses a kind of mounting process for deep embeded type soil pressure cell, include the following steps, S1, choose the casing for being equipped with mounting hole;S2, it soil pressure cell is embedded is installed in mounting hole, soil pressure cell is made to be fixedly installed in casing, soil pressure cell is axially perpendicular to casing axial direction;S3, all casings axially one are sequenced successively along it, the corresponding cable of soil pressure cell is arranged in casing, and cable upper end wears out the casing of the top, the lower end of bottom is in closing setting;S4, all casings are axially installed in together along it;S5, normal sand is filled in casing, and be compacted;S6, the drilling that enough depth are beaten using drilling machine equipment;S7, the casing for installing soil pressure cell, be sequentially placed into drilling, outside of sleeve fills gap with normal sand.Casing has a position-limiting action to soil pressure cell, stablize soil pressure cell can and be embedded in soil layer, prevents measurement data mistake caused by overturning due to soil pressure cell.

Description

A kind of mounting process for deep embeded type soil pressure cell
Technical field
The present invention relates to construction engineering technical fields, and in particular to a kind of mounting process for deep embeded type soil pressure cell.
Background technique
Deep embeded type soil pressure cell is that the mechanics parameter of all kinds of soil layers of measurement earth's surface or less changes.It is different deep to measure undisturbed soil The soil pressure of degree changes, and gives warning in advance, and guarantees construction safety.
Current ground-connecting-wall pressure cell method for embedding is mainly covered on steel reinforcement cage side with use before this with dossal, then uses Iron wire ties up soil pressure cell and cable, extends about 1.5 meters at the top of cable line tying to steel reinforcement cage.Because soil pressure cell is mostly to justify Shape stops up certain difficulty, and pressure cell is be easy to cause to overturn, and causes later monitoring data untrue;In addition cable Tired bundle be exposed line, be easy to cut off route or due to causing cable thread breakage with hard object friction around, to influence to monitor Quality.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of peace for deep embeded type soil pressure cell Dress technique can be such that soil pressure cell stabilization is installed in soil layer, reduce detection error.
To achieve the above object, the present invention provides the following technical scheme that
A kind of mounting process for deep embeded type soil pressure cell, includes the following steps,
S1, the casing that width is more than or equal to soil pressure cell is chosen, the identical peace of soil pressure cell size is opened on casing Fill hole;
S2, it soil pressure cell is embedded is installed in mounting hole, soil pressure cell is made to be fixedly installed in casing, soil pressure cell is axial Perpendicular to casing axial direction;
S3, all casings axially one are sequenced successively along it, the corresponding cable of soil pressure cell is arranged in casing, and Cable upper end wears out the casing of the top, and the lower end of bottom is in closing setting;
S4, all casings are axially installed in together along it;
S5, normal sand is filled in casing, and be compacted;
S6, the drilling that enough depth are beaten using drilling machine equipment;
S7, the casing for installing soil pressure cell, be sequentially placed into drilling, outside of sleeve fills gap with normal sand.
By using above-mentioned technical proposal, casing has a position-limiting action to soil pressure cell, stablize soil pressure cell can and bury In soil layer, measurement data mistake caused by overturning due to soil pressure cell is prevented.Casing has a protection to cable simultaneously Effect, reduces cable and is cut off or due to causing cable thread breakage with hard object friction around, keep soil pressure cell more stable Accurate detection earth pressure.It is not required to depend on any other article again when soil pressure cell installation simultaneously, therefore can be by soil pressure Box is installed in the soil layer of a variety of environment, expands the applicability of soil pressure cell.
The further setting of the present invention are as follows: described sleeve pipe is square tube and soil pressure cell two sides are connected on the inside of casing two sides Wall.
By using above-mentioned technical proposal, and then internal surface of sleeve pipe is set to have an abutting frictional force to soil pressure cell, and then make Casing can be more stable be installed on casing.
The further setting of the present invention are as follows: when the soil pressure cell is embedded in mounting hole, described soil pressure cell one end It is embedded in casing, and the other end is generally aligned in the same plane with casing side outer wall.
By using above-mentioned technical proposal, and then soil is reduced to the pressure of soil pressure cell periphery wall, reduce soil pressure The moment of flexure that power box is subject to makes what soil pressure cell can be more stable to be installed in casing.
The further setting of the present invention are as follows: described sleeve pipe both ends are fixedly installed respectively equipped with externally threaded first connector With set the second connector of internal thread, the first connector of described sleeve pipe can be threaded connection with the second connection in another casing Part.
By using above-mentioned technical proposal, when being fixedly connected with two adjacent casings, the first of a casing need to only be connected Fitting is threadedly coupled in the second connector of another casing.Make to connect between casing more stable and easy to operate.
The further setting of the present invention are as follows: the sleeve is equipped with sealing ring, institute close to one end end face of the first connector It states sealing ring and is circumferentially arranged along sleeve.
By using above-mentioned technical proposal, it is threadably secured between casing after linking together, sealing ring can be simultaneously Two sleeve end faces are pushed against, and then improve the leakproofness between two sleeves.
The further setting of the present invention are as follows: in the step s 7, the casing of the top can be installed in drilling machine equipment, Casing rotation is driven by drilling machine equipment, casing is driven to enter in drilling, the rotation direction of casing and the first connector The hand of spiral is identical.
By using above-mentioned technical proposal, when casing to be installed in drilling, it can be arranged by drilling machine and drive set Tube edge rotation side enters in drilling, and then smoothly enter casing can more in drilling, improves the installation effectiveness of casing.And by It is identical as the hand of spiral of its first connector in the rotation direction of casing, thus casing enter drilling in when, each casing it Between only the more can revolve the more tight, make to be stably connected with together between each casing.
The further setting of the present invention are as follows: the lower end of bottom is fixed to be provided with rigid nose cone, outside described sleeve pipe Wall is equipped with screw thread raised line along helix.
By using above-mentioned technical proposal, make casing when being rotated into drilling, rigid nose cone and screw thread raised line The soil fallen in drilling can be cut during rotation, and be separated, make casing that can more smoothly enter drilling It is interior, improve the installation effectiveness of casing.
The further setting of the present invention are as follows: described sleeve pipe inner wall is fixedly installed along casing sagittal plane symmetrically arranged One clamping plate and the second clamping plate are equipped with the first clamping plate and second on the side wall that described sleeve pipe is abutted with soil pressure cell and clamp Plate, first clamping plate and the second clamping plate are circumferentially arranged along soil pressure cell, and first clamping plate and second clamps Plate abutting is respectively connected between two second clamping plates between soil pressure cell periphery wall, two first clamping plates Push against spring.
By using above-mentioned technical proposal, pushing against spring becomes the first clamping plate and the second clamping plate towards soil pressure cell Shape pushes against the first clamping plate and the second clamping plate in soil pressure cell outer wall, and then makes what soil pressure cell can be more stable to be installed on In casing.
The further setting of the present invention are as follows: described sleeve pipe is made of PVC.
By using above-mentioned technical proposal, the rotten probability of casing is reduced, and then makes the quilt that cable can be stable always Casing protection reduces a possibility that soil pressure cell fails.
The further setting of the present invention are as follows: in the step s 7, if soil pressure cell need to be embedded in ground-connecting-wall two sides, first will Casing is bound on the reinforcing bar of ground-connecting-wall, then fills gap with normal sand in outside of sleeve.
By using above-mentioned technical proposal, the reinforcing bar on ground-connecting-wall can play the role of limit to casing, and then make casing Can be more stable be installed in ground, reduces since soil pressure cell is with the mobile caused measurement error of casing.
The invention has the following advantages that
1, measurement data mistake caused by overturning due to soil pressure cell is prevented;
2, cable is reduced to be cut off or due to causing cable thread breakage with hard object friction around, make soil pressure cell can be more Stable and accurate detection earth pressure;
3, the applicability of soil pressure cell is expanded.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one;
Fig. 2 is the structural schematic diagram of one middle sleeve of embodiment;
Fig. 3 is the cross-sectional view of embodiment one;
Fig. 4 is the enlarged drawing in Fig. 3 at A;
Fig. 5 is the partial schematic diagram of embodiment one;
Fig. 6 is the cross-sectional view of one middle sleeve of embodiment.
Appended drawing reference: 1, casing;2, the first connector;3, the second connector;4, sealing ring;5, rigid nose cone;6, spiral shell Line raised line;7, mounting hole;8, the first clamping plate;9, the second clamping plate;10, spring is pushed against;11, soil pressure cell;12, cable.
Specific embodiment
Referring to attached drawing, the present invention will be further described.
Embodiment one:
As shown in Figure 1, a kind of sheath assembly for the installation of deep embeded type soil pressure cell, sheath assembly includes several casings 1, casing 1 is by square tube and casing 1 is made of PVC.As shown in Fig. 2, 1 both ends of casing are fixedly installed 2 He of the first connector respectively Second connector 3.As shown in figure 3, the casing 1 of bottom is provided only with the first connector 2, the casing 1 of the top is provided only with second Connector 3.As shown in Fig. 2, 2 outer wall of the first connector is equipped with external screw thread, 3 inner wall of the second connector is equipped with internal screw thread.Casing 1 First connector 2 can be threaded connection with the second connector 3 in another casing 1.As shown in figure 3, when two casings 1 need to be connected When, the first connector 2 of one of casing 1 need to be only threadedly coupled on the second connector 3 of another casing 1. By the operation, a section section casing 1 is stably connected with together, sheath assembly is formed.
As shown in figure 3, sleeve is equipped with sealing ring 4 close to one end end face of the first connector 2, sealing ring 4 is along sleeve week To setting.The leakproofness between casing 1 can be improved in sealing ring 4.As shown in Figure 1,1 lower end of casing of bottom is arranged in closing, And 1 lower end of casing is fixed is provided with rigid nose cone 5,1 outer wall of casing is equipped with screw thread raised line 6 along helix.
As shown in figure 5,1 side wall of casing offers mounting hole 7,7 size of mounting hole is equal to 11 size of soil pressure cell.Casing 1 Lumen width is equal to the diameter of soil pressure cell 11.When soil pressure cell 11 is embedded in mounting hole 7,11 one end of soil pressure cell is embedded In in casing 1, and the other end is generally aligned in the same plane with 1 side outer wall of casing.And 11 two sides of soil pressure cell are connected to 1 two sides of casing Inner sidewall.
As shown in fig. 6, in order to make what soil pressure cell 11 can be more stable to be installed in casing 1,1 inner wall of casing fixed setting the One clamping plate 8 and the second clamping plate 9.First clamping plate 8 and the second clamping plate 9 are symmetrical set along 1 sagittal plane of casing, and point It Wei Yu not about 11 two sides of soil pressure cell.The first clamping plate 8 and second is equipped on the side wall that casing 1 is abutted with soil pressure cell 11 Clamping plate 9.First clamping plate 8 and the second clamping plate 9 are along the circumferential setting of soil pressure cell 11, and the first clamping plate 8 and second presss from both sides Tight plate 9 is pushed against in 11 periphery wall of soil pressure cell.It is respectively connected between two the second clamping plates 9 between two the first clamping plates 8 Spring 10 is pushed against, pushing against spring 10 is in tensional state.
The first clamping plate 8 and the second clamping plate 9 can be driven preferably to push against soil pressure cell as shown in fig. 6, pushing against spring 10 11 are located at one end periphery wall in casing 1, and then make what soil pressure cell 11 can be more stable to be connected to casing 1.
Embodiment two:
A kind of mounting process for deep embeded type soil pressure cell wraps it is characterized in that: having used the casing 1 in embodiment one Include following steps,
S1, it soil pressure cell 11 is embedded is installed in mounting hole 7, soil pressure cell 11 is made to be fixedly installed in casing 1, soil pressure It is axial that box 11 is axially perpendicular to casing 1;The first clamping plate 8 is synchronous under the action of pushing against spring 10 with the second clamping plate 9 simultaneously Soil pressure cell 11 is pushed against, is installed on soil pressure cell 11 in casing 1 in more stable;
S2, all casings 1 are sequenced, the cable 12 on soil pressure cell 11 is then fed through all casings 1, makes cable 12 upper end of line wears out the casing 1 of the top, and then all casings 1 one are fixedly installed togather successively;As shown in Figure 3;
S3, normal sand is filled in casing 1, and be compacted;
S4, the drilling that enough depth are beaten using drilling machine equipment;
S5, the casing 1 of the top is installed in drilling machine equipment, drives casing 1 to rotate by drilling machine equipment, Drive casing 1 enter drilling in, the rotation direction of casing 1 is identical as the hand of spiral of the first connector 2, so make casing 1 into Enter in drilling;
If soil pressure cell 11 need to be embedded in ground-connecting-wall two sides, casing 1 is bound on the reinforcing bar of ground-connecting-wall, then is being covered Gap is filled with normal sand in 1 outside of pipe;
Gap is filled with normal sand in S6,1 outside of casing.
Since the stabilization of soil pressure cell 11 is installed in casing 1, native land pressure cell 11 will not be overturn, and be reduced due to soil pressure The overturning of box 11 is displaced caused measurement data mistake.And casing 1 has a protective effect to cable 12, reduces cable 12 are cut off or due to causing cable 12 to be broken with hard object friction around, make soil pressure cell 11 can more stable accurate detection soil Stressor layer.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (7)

1. a kind of mounting process for deep embeded type soil pressure cell, it is characterized in that: include the following steps,
S1, the casing (1) that width is greater than or equal to soil pressure cell (11) is chosen, is opened up on casing (1) and soil pressure cell (11) The identical mounting hole of size (7);
S2, it soil pressure cell (11) is embedded is installed in mounting hole (7), be fixedly installed in soil pressure cell (11) casing (1), soil It is axial that pressure cell (11) is axially perpendicular to casing (1);
S3, all casings (1) axially one are sequenced successively along it, the corresponding cable (12) of soil pressure cell (11) is arranged in set It manages in (1), and cable (12) upper end is pierced by the casing (1) of the top, casing (1) lower end of bottom is in closing setting;
S4, all casings (1) are axially installed in together along it;
S5, normal sand is filled in casing (1), and be compacted;
S6, the drilling that enough depth are beaten using drilling machine equipment;
S7, the casing (1) for installing soil pressure cell (11), be sequentially placed into drilling, fill seam with normal sand on the outside of casing (1) Gap;
Described sleeve pipe (1) is square tube and soil pressure cell (11) two sides are connected to casing (1) two sides inner sidewall, and described sleeve pipe (1) is interior Side wall is fixedly installed along symmetrically arranged first clamping plate (8) in casing (1) sagittal plane and the second clamping plate (9), the set The first clamping plate (8) and the second clamping plate (9), first folder are equipped on the side wall that pipe (1) is abutted with soil pressure cell (11) Tight plate (8) and the second clamping plate (9) are circumferentially arranged along soil pressure cell (11), and first clamping plate (8) and second clamps Plate (9) pushes against between soil pressure cell (11) periphery wall, two first clamping plates (8) and two second clamping plates (9) it is respectively connected between and pushes against spring (10).
2. a kind of mounting process for deep embeded type soil pressure cell according to claim 1, it is characterized in that: described sleeve pipe (1) both ends are fixedly installed respectively equipped with externally threaded first connector (2) and set the second connector of internal thread (3), institute The first connector (2) for stating casing (1) is threadedly connected to the second connector (3) of another casing (1).
3. a kind of mounting process for deep embeded type soil pressure cell according to claim 2, it is characterized in that: described sleeve pipe (1) one end end face close to the first connector (2) is equipped with sealing ring (4), and the sealing ring (4) is circumferentially arranged along casing (1).
4. a kind of mounting process for deep embeded type soil pressure cell according to claim 2, it is characterized in that: in step S7 In, the casing (1) of the top is installed in drilling machine equipment, casing (1) rotation is driven by drilling machine equipment, is driven Casing (1) enters in drilling, and the rotation direction of casing (1) is identical as the hand of spiral of the first connector (2).
5. a kind of mounting process for deep embeded type soil pressure cell according to claim 4, it is characterized in that: the set of bottom Pipe (1) lower end is installed with rigid nose cone (5), and described sleeve pipe (1) outer wall is equipped with screw thread raised line (6) along helix.
6. a kind of mounting process for deep embeded type soil pressure cell according to claim 1, it is characterized in that: described sleeve pipe (1) it is made of PVC.
7. a kind of mounting process for deep embeded type soil pressure cell according to claim 1, it is characterized in that: in step S7 In, if soil pressure cell (11) need to be embedded in ground-connecting-wall two sides, first casing (1) is bound on the reinforcing bar of ground-connecting-wall, then Gap is filled with normal sand on the outside of casing (1).
CN201710959426.3A 2017-10-16 2017-10-16 A kind of mounting process for deep embeded type soil pressure cell Active CN107761786B (en)

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CN107761786B true CN107761786B (en) 2019-11-12

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101487249B (en) * 2008-12-30 2011-08-17 中国科学院武汉岩土力学研究所 Embedding apparatus and method for earth pressure box
CN104264723B (en) * 2014-10-20 2016-03-16 沪昆铁路客运专线湖南有限责任公司 In a kind of bushing type hole, position embedded device demarcated by instrument
CN105319123B (en) * 2015-03-16 2018-08-14 河南工业大学 A kind of allpurpose model test pile
CN205475177U (en) * 2016-01-12 2016-08-17 上海市政工程设计研究总院(集团)有限公司 Soil pressure cell 's fixing device is buried underground in drilling
CN106052916A (en) * 2016-08-08 2016-10-26 石家庄铁道大学 Earth pressure box burying device and method for fill engineering

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