CN203129140U - Soil nailing tube with functions of water injecting, hole forming, grouting, anchoring, pumping and water discharging - Google Patents
Soil nailing tube with functions of water injecting, hole forming, grouting, anchoring, pumping and water discharging Download PDFInfo
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- CN203129140U CN203129140U CN 201320133102 CN201320133102U CN203129140U CN 203129140 U CN203129140 U CN 203129140U CN 201320133102 CN201320133102 CN 201320133102 CN 201320133102 U CN201320133102 U CN 201320133102U CN 203129140 U CN203129140 U CN 203129140U
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- soil nailing
- pipe
- nailing pipe
- hole
- anchor
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Abstract
The utility model discloses a soil nailing tube with functions of water injecting, hole forming, grouting, anchoring, pumping and water discharging. The soil nailing tube is a hollow tube, a spray hole is formed in the head of the soil nailing tube, and side spray holes with valves are distributed in the side wall. The soil nailing tube has the functions of water injecting, hole forming, grouting, anchoring, pumping and water discharging, and has the advantages that the soil nailing tube is suitable for performing construction in a soft soil area with more rainwater; and the construction efficiency and the construction quality can be improved when the soil nailing tube is used for performing soil nailing, water discharging and supporting construction in a side slope of a foundation ditch.
Description
Technical field
The utility model belongs to building operations component technology field, relates to the soil nailing pipe for the construction of foundation pit dewatering slope retaining.
Background technology
The provisional mine pit that excavates for building foundation is called foundation ditch.Foundation ditch belongs to temporary work, and its effect provides a space, makes the building operations operation on basis be able to carry out according to the designing institute appointed positions.
Be to guarantee the safety of underground structure construction and foundation ditch surrounding enviroment, a retaining, reinforcing and safeguard measure that foundation pit side-wall and surrounding enviroment are adopted are called pattern foundation pit supporting structure.Wherein soil nailing wall foundation pit support is the most common and most important a kind of Foundation Pit.
The soil nailing wall is to be reinforced on the spot by the soil nailing wall and combined with spraying the concrete panel by the natural soil body, forms a similar gravity barricade and comes soil pressure after the resistance wall with this; Thereby keep the stable of excavation face.The soil nailing wall arranges by boring, joint bar, slip casting, generally claims grouting rock bolt, also can directly squeeze into bar reinforcement, angle steel, steel pipe formation soil nailing.The way that the way of soil nailing wall and mine reinforce the spray anchor net reinforcing rock mass of using in the tunnel is similar, so be also referred to as spray anchor net reinforcing side slope or spray anchor net barricade.
Existing pattern foundation pit supporting structure adopts heavy excavation, soil-nail wall support, well-points dewatering construction more.But in soft clay area, rainwater is more, and foundation trench muddy water mixes, can't normal construction; The soil nailing construction is difficult to pore-forming.Soil excavation generally adopts side slope well-points dewatering, the bright row of excavation foundation trench plash, and the place mire is difficult to grooving, the difficulty of drawing water, and the mud sand gathers; Adopt dewatering measure, wait for that rain stops weather, delay soil excavation, slope retaining construction period, construction quality and side slope safety are difficult to guarantee.
The utility model content
For this reason, technical problem to be solved in the utility model provides and a kind ofly is adapted at that the more soft clay area of rainwater is carried out fast, anchor, pump drainage precipitation soil nailing pipe are drawn in water filling pore-forming, the slip casting of efficient construction, to overcome the deficiency that prior art exists.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
Anchor, pump drainage precipitation soil nailing pipe are drawn in a kind of water filling pore-forming, slip casting, it is characterized in that: it is hollow tube, and described soil nailing pipe has spray-hole at tube head, and sidewall is distributed with the side spray orifice of band valve.
Adopt said structure, this soil nailing pipe is used for earlier being connected with water pump when slope retaining is constructed, and hits the sky hole as spray gun in soil body upper punch, and is inserting the loose earth of current drainage simultaneously, thereby guarantees that the soil nailing pipe can easily, conveniently insert the soil body.After inserting the soil body, this soil nailing pipe can also be connected with vacuum pump, and pump drainage soil body ponding reduces side slope and foundation ditch water level; Behind the precipitation, this soil nailing pipe of recycling carries out slip casting, makes it become pulling resistant anchor pile, is linked to be the sheet whitewashing formation slope retaining of plastering with steel fabric sheet more at last.
Therefore, the utlity model has the function that water filling pore-forming, slip casting draw anchor, pump drainage precipitation, have be adapted at that the more soft clay area of rainwater is carried out fast, efficient construction, low energy low consumption, the advantage of environmental protection.
In the utility model, described valve is a bolt, has the axial hole that does not extend through the bolt end face in the bolt column of described bolt, and described bolt column has the radially through hole that is communicated with axial hole in the position near bolt head.
In the utility model, described soil nailing pipe is steel pipe, hard plastic tube or flexible plastic tube.
In the utility model, the termination of described soil nailing pipe is only taper hole or flat mouthful of only hole or flat mouth diplopore or flat mouth three holes or four taper holes or five taper holes.
In the utility model, described side spray orifice symmetric arrangement or be the plum blossom shape and arrange.
The length of described soil nailing pipe is 6m, and diameter is 48mm, and wall thickness is 1.2mm, and the aperture of described spray-hole is 16mm, and the aperture of described side spray orifice is 8mm.Described side spray orifice is 600mm along the spacing of soil nailing length of tube direction.
Adopt the utility model water filling pore-forming, slip casting to draw anchor, pump drainage precipitation soil nailing pipe to construct and have following advantage:
1, utilizes water under high pressure or do not have the setting-out vibratory impulse and by the side spray orifice on the soil nailing pipe and tube head spray-hole the soil nailing pipe is inserted the soil body, overcome existing soil nailing is difficult to pore-forming in the weak soil construction defective.
2, utilize in the side spray orifice of the soil nailing pipe of vacuum pump by inserting the soil body and the tube head spray-hole pump drainage pipe ponding and the soil body moisture, layering soil nailing pipe can reduce deep foundation ditch heavy excavation slope underground water position, make that ponding is in time discharged in the foundation ditch, avoided the mud sandy soil gather, cheat in mire and can't constructing.
4, slip casting soil nailing pipe inserts deeply, and anchored force is big, improves the firm performance of slope soil after the slip casting.The soil nailing pipe still can be made excavation slope well-points dewatering pipe pump drainage precipitation after the slip casting.
Therefore, the utlity model has the function that water filling pore-forming, slip casting draw anchor, pump drainage precipitation, have and be adapted at the advantage that the more soft clay area of rainwater is constructed, adopt this utility model to carry out excavation slope soil nailing precipitation supporting construction, can improve efficiency of construction and construction quality.
Description of drawings
Below in conjunction with accompanying drawing and concrete enforcement the utility model is elaborated:
Fig. 1 is a kind of structural representation of soil nailing pipe;
Fig. 2 is the another kind of structural representation of soil nailing pipe;
Fig. 3 be among Fig. 1 A-A to sectional view;
Fig. 4 is first kind of cross section structure form of soil nailing pipe end;
Fig. 4 A is second kind of cross section structure form of soil nailing pipe end;
Fig. 4 B is the third cross section structure form of soil nailing pipe end;
Fig. 4 C is the 4th kind of cross section structure form of soil nailing pipe end;
Fig. 4 D is the 5th kind of cross section structure form of soil nailing pipe end;
Fig. 5 is the schematic diagram of valve;
Fig. 5 A is Fig. 5 side schematic view;
Fig. 6 is pattern foundation pit supporting structure side structure schematic diagram.
The specific embodiment
As shown in Figure 1, soil nailing pipe 100 of the present utility model is hollow tube, and it is steel pipe, also can be hard plastic tube or flexible plastic tube.Have spray-hole 110 in the termination of soil nailing pipe 100, be distributed with the lateral jet pipe 120 of band valve 130 at sidewall.
In conjunction with illustrated in figures 1 and 2, this soil nailing pipe 100 can be integral mechanism, also can be the split structure.For integral mechanism, make fairly simplely, only need soil nailing pipe front end struck flat and reserve spray-hole to get final product.For a minute body structure, namely connect the termination 101 of a band spray-hole at the front end of soil nailing pipe 100.The termination of soil nailing pipe is only taper hole structure or flat mouthful of only pore structure (as shown in Figure 4) or flat mouth double-pore structure (shown in Fig. 4 A) or flat mouth three pore structures (shown in Fig. 4 B) or four taper hole structures (shown in Fig. 4 C) or five taper hole structures (shown in Fig. 4 D).The length of soil nailing pipe 100 is 6m, and the aperture of spray-hole 110 is 16mm.
In conjunction with shown in Figure 3, the arrangement form of side spray orifice 120 can be symmetry, cross is symmetrical or be plum blossom distributes.The aperture of side spray orifice 120 is 8mm, along soil nailing length of tube direction, the spacing 600mm between the side spray orifice.
Shown in Fig. 5 and Fig. 5 A, valve 130 in the side spray orifice is a bolt, bolt column 131 at bolt has the axial hole 133 that an end extends through bolt end face 132, has the radially through hole 134 that is communicated with axial hole 133 at bolt column 131 near the position of bolt head 134.When the bolt column 131 of valve 130 all is spun on side spray orifice 120, at this moment this jam pot cover is blocked the side spray orifice, when valve 130 outwards screws out, exposes radially through hole 135, and at this moment current are from ejecting from through hole 135 radially through axial hole 133.
More than be exactly soil nailing pipe of the present utility model, below in detail introduction how to utilize the utility model to carry out excavation slope soil nailing precipitation supporting construction:
S1, adopt inject high-pressure water jet in the soil nailing pipe mode successively multiple spot the soil nailing pipe is inserted the soil body.Concrete mode is: the soil nailing pipe is connected with high-pressure hydraulic pump, and water filling in the soil nailing pipe makes water under high pressure eject from the spray-hole of tube head, impacts the soil body, forms the hole, hole at the soil body; Then the soil nailing pipe is inserted the soil body along the hole, hole; In inserting soil nailing pipe process, when side spray orifice during near the pit hole position of side slope, open the valve on the side spray orifice successively, make water under high pressure impact the side direction soil body of pit hole from the ejection of side spray orifice, become groove along soil nailing tube side synform, loose earth in the drain hole hole.The hydraulic pressure that wherein injects the soil nailing pipe is 0-0.5MPa.In addition, by vibratory impulse soil nailing pipe end, accelerate soil nailing pipe insertion speed, vibratory impulse pressure is 0-0.5MPa.
S2, treat the soil nailing pipe approach insert the soil body fully after, stop high-pressure hydraulic pump water filling in the soil nailing pipe, the soil nailing pipe is connected pump drainage soil body ponding, reduction side slope and foundation ditch water level with vacuum pump.The pressure that vacuum is drawn water is 0-0.5MPa.
Behind S3, the pump drainage soil body ponding, inject cement paste in the soil nailing pipe, anchoring soil nailing pipe and the soil body make the soil nailing pipe form pulling resistant anchor pile.The pressure that injects the cement paste of soil nailing pipe is 0-0.5MPa.After injecting cement paste, according to the soil body and foundation ditch ponding situation, can in time the soil nailing pipe be connected with vacuum pump again, continue the precipitation that draws water.
S4, adopt steel fabric sheet and the multiple spot soil nailing pipe of the formation pulling resistant anchor pile formation slope retaining of plastering that is connected and whitewashes, as shown in Figure 6.Wherein, the tail end of soil nailing pipe also exposes the slope retaining surface in order to follow-up can also the connection with vacuum pump realize continuing to draw water.
More than be exactly that anchor, pump drainage precipitation soil nailing pipe are drawn in excavation slope water filling pore-forming of the present utility model, slip casting, compared with prior art have following characteristics:
1, utilizes water under high pressure by the side spray orifice on the soil nailing pipe and tube head spray-hole the soil nailing pipe to be inserted the soil body, overcome existing soil nailing is difficult to pore-forming in the weak soil construction defective.
2, by vibratory impulse soil nailing pipe end, accelerate soil nailing pipe insertion speed; Also can adopt vibratory impulse gravity to add does not have pressure or the insertion of low-pressure water filling spoil disposal sand.
3, utilize in the side spray orifice of the soil nailing pipe of vacuum pump by inserting the soil body and the tube head spray-hole pump drainage pipe ponding and the soil body moisture, layering soil nailing pipe can reduce deep foundation ditch heavy excavation slope underground water position, make that ponding is in time discharged in the foundation ditch, avoided the mud sandy soil gather, cheat in mire and can't constructing.
4, slip casting soil nailing pipe inserts deeply, and anchored force is big, improves the firm performance of slope soil after the slip casting.The soil nailing pipe still can be made excavation slope well-points dewatering pipe pump drainage precipitation after the slip casting.
Therefore, the utlity model has and be adapted at the advantage that the more soft clay area of rainwater is constructed, adopt this job practices, compared to existing technology can the reduction of erection time, the low energy low consumption, environmental protection, and can improve construction quality.
Claims (7)
1. anchor, pump drainage precipitation soil nailing pipe are drawn in a water filling pore-forming, slip casting, it is characterized in that: it is hollow tube, and described soil nailing pipe has spray-hole at tube head, and sidewall is distributed with the side spray orifice of band valve.
2. anchor, pump drainage precipitation soil nailing pipe are drawn in water filling pore-forming according to claim 1, slip casting, it is characterized in that: described valve is a bolt, have the axial hole that an end extends through the bolt end face in the bolt column of described bolt, described bolt column has the radially through hole that is communicated with axial hole in the position near bolt head.
3. anchor, pump drainage precipitation soil nailing pipe are drawn in water filling pore-forming according to claim 1 and 2, slip casting, and it is characterized in that: described soil nailing pipe is steel pipe, hard plastic tube or flexible plastic tube.
4. anchor, pump drainage precipitation soil nailing pipe are drawn in water filling pore-forming according to claim 1 and 2, slip casting, it is characterized in that: the termination of described soil nailing pipe is only taper hole structure or flat mouthful of only holes mechanism or flat mouth double-pore structure or flat mouth three pore structures or four taper hole structures or five taper hole structures.
5. anchor, pump drainage precipitation soil nailing pipe are drawn in water filling pore-forming according to claim 1 and 2, slip casting, it is characterized in that: described side spray orifice symmetric arrangement or be the plum blossom shape and arrange.
6. anchor, pump drainage precipitation soil nailing pipe are drawn in water filling pore-forming according to claim 1 and 2, slip casting, it is characterized in that: the length of described soil nailing pipe is 6m, and diameter is 48mm, and wall thickness is 1.2mm, the aperture of described spray-hole is 16mm, and the aperture of described side spray orifice is 8mm.
7. anchor, pump drainage precipitation soil nailing pipe are drawn in water filling pore-forming according to claim 6, slip casting, and it is characterized in that: described side spray orifice is 600mm along the spacing of soil nailing length of tube direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133102 CN203129140U (en) | 2013-03-22 | 2013-03-22 | Soil nailing tube with functions of water injecting, hole forming, grouting, anchoring, pumping and water discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133102 CN203129140U (en) | 2013-03-22 | 2013-03-22 | Soil nailing tube with functions of water injecting, hole forming, grouting, anchoring, pumping and water discharging |
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| Publication Number | Publication Date |
|---|---|
| CN203129140U true CN203129140U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320133102 Expired - Fee Related CN203129140U (en) | 2013-03-22 | 2013-03-22 | Soil nailing tube with functions of water injecting, hole forming, grouting, anchoring, pumping and water discharging |
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| CN (1) | CN203129140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984173A (en) * | 2019-11-26 | 2020-04-10 | 陕西交通职业技术学院 | Underground support anchoring equipment for building construction and construction method thereof |
| CN112832324A (en) * | 2021-02-24 | 2021-05-25 | 河南省水利勘测设计研究有限公司 | Construction method for water taking pit of floating dock pump station |
-
2013
- 2013-03-22 CN CN 201320133102 patent/CN203129140U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984173A (en) * | 2019-11-26 | 2020-04-10 | 陕西交通职业技术学院 | Underground support anchoring equipment for building construction and construction method thereof |
| CN110984173B (en) * | 2019-11-26 | 2021-04-16 | 陕西交通职业技术学院 | Underground support anchoring equipment for building construction and construction method thereof |
| CN112832324A (en) * | 2021-02-24 | 2021-05-25 | 河南省水利勘测设计研究有限公司 | Construction method for water taking pit of floating dock pump station |
| CN112832324B (en) * | 2021-02-24 | 2022-03-11 | 河南省水利勘测设计研究有限公司 | Construction method for water taking pit of floating dock pump station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151208 Address after: 200135 Pudong New Area Century Avenue, Shanghai, No. 27, layer 1568 Patentee after: China Construction Eighth Engineering Division Co., Ltd. Address before: 200434 Shanghai city Yangpu District binlu No. 18 room 2201 Patentee before: Shanghai Branch, China State Construction Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20190322 |