CN203373753U - Pile anchor retaining wall concrete anchor cable top beam structure of foundation ditches - Google Patents

Pile anchor retaining wall concrete anchor cable top beam structure of foundation ditches Download PDF

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Publication number
CN203373753U
CN203373753U CN201320388544.0U CN201320388544U CN203373753U CN 203373753 U CN203373753 U CN 203373753U CN 201320388544 U CN201320388544 U CN 201320388544U CN 203373753 U CN203373753 U CN 203373753U
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China
Prior art keywords
slope protection
pile
anchor
concrete
protection pile
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CN201320388544.0U
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Chinese (zh)
Inventor
孙海友
王钰
张立国
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China Third Metallurgical Group Co Ltd
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First Construction Engineering Co ltd china Third Metallurgical Group Co Ltd
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Abstract

The utility model relates to the field of adjacent underground structure foundation ditch construction, in particular to a pile anchor retaining wall concrete anchor cable top beam structure of foundation ditches. The structure is characterized in that the structure is composed of slop protection piles, top beams, anchor cables and connecting beams and is of an integral steel rib concrete structure formed by two rows of the slope protection piles, the side walls of the two foundation ditches are respectively provided with one row of the slope protection piles arranged at intervals, prestress anchor rods are arranged between adjacent slope protection piles, wales used for reinforcing are arranged between the slope protection piles of each row, the pile heads on the top of the slope protection piles of each row are connected as a whole through the top beams made of steel rib concrete, the top beams on the slope protection piles of the two foundation ditches are connected through the connecting beams, the anchor cables are arranged in the connecting beams, and the two ends of each anchor cable are connected with the corresponding top beams through backing boards and anchors. Compared with the prior art, the structure has the advantages that due to the anchor cables, the two rows of the slope protection piles form a stable slope protection system, safety of a soil body between structures is guaranteed, a construction work face and conveying channels are increased, the excavated volume and the backfill workload of the foundation ditches are reduced, a construction period is greatly shortened, and cost is reduced.

Description

Pit pile anchor breast wall concrete anchor cable hat girder construction
Technical field
The utility model relates to adjacent underground structure foundation pit construction field, relates in particular to a kind of pit pile anchor breast wall concrete anchor cable hat girder construction.
Background technology
At present in the civil engineering to underground structure, when between adjacent 20~30 meters of two underground structures, need to be processed the earthwork between two underground structure foundation ditches, wherein a kind of method is that soil between structure is all excavated, complete Deng Underground Construction, by its backfill, its defect is to have reduced operation side again, has increased amount of excavation and vertical transport cost.
Another kind method is to adopt the pile anchor breast wall structure, inter-pile soil between lagging pile is done some roads prestressing force shank, by horizontal waist rail by the prestressing force shank with together with slope protection pile is anchored at, its defect is: when part between structure during as vehicle transport and placing of material ground, be difficult to guarantee side slope safety, can't effectively utilize area between structure.
Summary of the invention
The purpose of this utility model is to provide a kind of pit pile anchor breast wall concrete anchor cable hat girder construction, do not excavate the earthwork between two underground structures, and assurance is as the safety of placing of material place and vehicle transport passage, increase operation side and transport of materials facility, reduce the earthwork and dig freight volume and construction sequence, shorten the construction period.
For achieving the above object, the utility model adopts following technical scheme to realize:
Pit pile anchor breast wall concrete anchor cable hat girder construction, comprise slope protection pile, Guan Liang, anchor cable and coupling beam, this is the integral reinforced concrete structure formed by two row's slope protection pile, adjacent wall at two foundation ditches respectively is provided with the spaced slope protection pile of a row, be provided with prestressed anchor between the stake of adjacent slope protection pile, be provided with the waist rail of reinforcing use between the stake of every row's slope protection pile, the pile crown at every row's slope protection pile top links into an integrated entity by the Guan Liang of steel concrete, Guan Liang in two foundation pit slope protection stakes is connected by coupling beam, establish anchor cable in coupling beam, the anchor cable two ends are connected with Guan Liang by the backing plate beam ground tackle of coming of age, be distributed with reinforced mesh between slope protection pile.
In described reinforced mesh, be provided with by the cross-coupled horizontal bar of rinforcement bar and vertical muscle.
Described prestressed anchor is a kind of in prestress wire, solid anchor pole, hollow expansion type rock bolt or hollow grouting anchor.
Described slope protection pile is reinforced concrete revetment pile, immersed tube bored slope protection pile, stir a kind of in slope protection pile, borehole slope protection pile or mechanical hole building slope protection pile.
Described waist rail can be steel wale, can be also reinforced concrete waist rail.
Compared with prior art, the beneficial effects of the utility model are: 1) adopt hat beam anchor cable structure that soil between two underground structures is effectively reinforced, firm bank protection system will be formed between two row's slope protection pile, having guaranteed soil body safety between structure, is that a kind of disposal cost is cheap, safe and reliable, the hat beam construction technology of simple and convenient easy row.2) between two adjacent foundation ditches, the soil body can be used for operation side stacking material and transport channel, has reduced excavation of foundation pit amount and backfill amount, has greatly shortened the construction period, has simplified construction sequence, has reduced cost, has accelerated programming.
The accompanying drawing explanation
Fig. 1 is the plan view from above of the utility model embodiment;
Fig. 2 is along A-A line sectional view in Fig. 1;
Fig. 3 is along B-B line sectional view in Fig. 2;
Fig. 4 is the structural representation of reinforced mesh in the utility model embodiment;
Fig. 5 is prestressed anchor anchor structure schematic diagram between the utility model slope protection pile;
Fig. 6 is the position relationship structural representation of reinforced mesh and anchor slab in the utility model embodiment;
Fig. 7 is the axial sectional view of Fig. 6;
Fig. 8 is Guan Liang in the utility model embodiment, slope protection pile and waist rail position elevational schematic view.
In figure: ground tackle 15-stake reinforcing bar 16-steel sleeve 17-waist rail between the vertical muscle 14-stake of 1-hat beam 2-slope protection pile 3-coupling beam 4-backing plate 5-hat beam ground tackle 6-anchor cable 7-PVC sleeve pipe 8-support 9-prestressed anchor 10-anchor slab 11-rinforcement bar 12-horizontal bar 13-
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment one step of the present utility model is illustrated:
See Fig. 1, Fig. 2, Fig. 3, it is the utility model pit pile anchor breast wall concrete anchor cable hat girder construction embodiment plan view from above, comprise hat beam 1, slope protection pile 2, anchor cable 6 and coupling beam 3, this is the integral reinforced concrete structure formed by two row's slope protection pile, respectively be provided with the spaced slope protection pile of a row 2 at two foundation pit side-walls, be provided with prestressed anchor 9 between the stake of adjacent slope protection pile 2, be provided with the waist rail 17 of reinforcing use between the stake of every row's slope protection pile 2, the pile crown at every row's slope protection pile 2 tops links into an integrated entity by the hat beam 1 of steel concrete, hat beam 1 in two foundation pit slope protection stakes is connected by coupling beam 3, establish anchor cable 6 in coupling beam 3, anchor cable 6 two ends by backing plate 4 come of age beam ground tackle 5 with the hat beam 1 be connected, 2 of slope protection pile are distributed with reinforced mesh.
See Fig. 4, be provided with in reinforced mesh by the cross-coupled horizontal bar 12 of rinforcement bar 11 and vertical muscle 13, vertical muscle 13 welds with stake reinforcing bar 15.
In embodiment, prestressed anchor is a kind of in prestress wire, solid anchor pole, hollow expansion type rock bolt or hollow grouting anchor.Slope protection pile is reinforced concrete revetment pile, immersed tube bored slope protection pile, stir a kind of in slope protection pile, borehole slope protection pile or mechanical hole building slope protection pile.Waist rail 17 can be steel wale, can be also reinforced concrete waist rail.
The job practices of the utility model pit pile anchor breast wall concrete anchor cable hat girder construction, its Specific construction step is:
1), at the inboard correspondence position of two predetermined foundation pit side-walls, concrete revetment pile 2 is arranged in interval construction one separately;
2) after slope protection pile 2 intensity reach 75% requirement, dig out in time slope protection pile 2 pile crown parts cubic metre of earth, the earthwork is dug to 100 ~ 150mm below coupling beam 3 elevation of bottoms;
3) water the C10 concrete cushion, abolish the pile crown concrete;
4) eject the center line of hat beam 1, the slope protection pile center line, eject the coupling beam center line;
5) see Fig. 5, the reinforcing bar of fabrication and installation hat beam 1, be extended down to stake reinforcing bar 15 in hat beam 1;
6) the PVC sleeve pipe 7 in the steel sleeve 16 of pre-buried anchor cable 6 use, backing plate 4 and coupling beam, establish PVC sleeve pipe 7 in steel sleeve 16, and steel sleeve 16 loads are on support 8, and the bottom surface of support 8 bottom surfaces and coupling beam 3 is contour;
7) template is installed and is reinforced, cast hat beam 1 and coupling beam 3 concrete maintenance;
8) after hat beam 1 intensity reaches 80%, anchor cable 6 to be installed and to be started the pit earthwork excavation, excavation is to the position of anchor pole 9;
9) carry out prestressed anchor 9 punching construction 2 of slope protection pile, cast runs through a section of waist rail 17 by prestressed anchor 9 and smears sliding agent front, and then the prestressed anchor pole 9, mortar depositing construction, and slip casting is to anchor slab 10 places;
10) cleaning of the inter-pile soil body at prestressed anchor 9 positions is rejected totally, the inter-pile soil body of the pile body of both sides slope protection pile 2 and rejecting is cleaned out;
11) see Fig. 6, by beyond prestressed anchor 9 grouting ports, to one section, the stake outside, being coated with sliding agent, have prestressed anchor 9 two ends of sleeve pipe to be inserted in anchor slab 10 in cover, anchor slab 10 permanent positions are in the inboard 100mm scope of slope protection pile outside joint face;
12) see Fig. 7, at horizontal bar 12 and the vertical muscle 13 of anchor slab 10 outside assembling reinforcement net sheets, fixing spilled water hole, sprayed mortar, between stake, ground tackle 14 is positioned at the end of prestressed anchor 9;
13) see Fig. 8, waist rail 17 is installed, ground tackle between stake is installed, the stretch-draw prestressing force anchor pole, waist rail 17 is used for reinforcing the slope protection pile 2 of hat beam 1 below;
14), after completing waist rail, can carry out next step foundation ditch digging.

Claims (5)

1. the pit pile anchor breast wall concrete anchor cable is preced with girder construction, it is characterized in that, comprise slope protection pile, Guan Liang, anchor cable and coupling beam, this is the integral reinforced concrete structure formed by two row's slope protection pile, adjacent wall at two foundation ditches respectively is provided with the spaced slope protection pile of a row, be provided with prestressed anchor between the stake of adjacent slope protection pile, be provided with the waist rail of reinforcing use between the stake of every row's slope protection pile, the pile crown at every row's slope protection pile top links into an integrated entity by the Guan Liang of steel concrete, Guan Liang in two foundation pit slope protection stakes is connected by coupling beam, establish anchor cable in coupling beam, the anchor cable two ends are connected with Guan Liang by the backing plate beam ground tackle of coming of age, be distributed with reinforced mesh between slope protection pile.
2. pit pile anchor breast wall concrete anchor cable hat girder construction according to claim 1, is characterized in that, in described reinforced mesh, is provided with by the cross-coupled horizontal bar of rinforcement bar and vertical muscle.
3. pit pile anchor breast wall concrete anchor cable according to claim 1 hat girder construction, is characterized in that, described prestressed anchor is a kind of in prestress wire, solid anchor pole, hollow expansion type rock bolt or hollow grouting anchor.
4. pit pile anchor breast wall concrete anchor cable according to claim 1 hat girder construction, is characterized in that, described slope protection pile is reinforced concrete revetment pile, immersed tube bored slope protection pile, stir a kind of in slope protection pile, borehole slope protection pile or mechanical hole building slope protection pile.
5. pit pile anchor breast wall concrete anchor cable hat girder construction according to claim 1, is characterized in that, described waist rail can be steel wale, can be also reinforced concrete waist rail.
CN201320388544.0U 2013-06-28 2013-06-28 Pile anchor retaining wall concrete anchor cable top beam structure of foundation ditches Active CN203373753U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320388544.0U CN203373753U (en) 2013-06-28 2013-06-28 Pile anchor retaining wall concrete anchor cable top beam structure of foundation ditches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320388544.0U CN203373753U (en) 2013-06-28 2013-06-28 Pile anchor retaining wall concrete anchor cable top beam structure of foundation ditches

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CN203373753U true CN203373753U (en) 2014-01-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306289A (en) * 2013-06-28 2013-09-18 中国三冶集团有限公司第一建筑工程公司 Foundation pit piled anchor dado concrete anchor cable top beam structure and construction method thereof
CN108411926A (en) * 2018-03-29 2018-08-17 中冶成都勘察研究总院有限公司 A kind of tensioning fixation method of stream line

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306289A (en) * 2013-06-28 2013-09-18 中国三冶集团有限公司第一建筑工程公司 Foundation pit piled anchor dado concrete anchor cable top beam structure and construction method thereof
CN103306289B (en) * 2013-06-28 2015-04-22 中国三冶集团有限公司 Foundation pit piled anchor dado concrete anchor cable top beam structure and construction method thereof
CN108411926A (en) * 2018-03-29 2018-08-17 中冶成都勘察研究总院有限公司 A kind of tensioning fixation method of stream line

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C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 114000 ANSHAN, LIAONING PROVINCE TO: 114039 ANSHAN, LIAONING PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20140808

Address after: 114039 Anshan province Liaoning City Mountain Road No. 105 building materials

Patentee after: CHINA THREE METALLURGICAL GROUP CO., LTD.

Address before: 114000 Anshan province Liaoning City Tiedong Gangcheng Street No. 79

Patentee before: The First Construction Engineering Co.,Ltd.,China Third Metallurgical Group Co., Ltd.