CN206693242U - A kind of vertical bearing structure of suspension support beam in base pit engineering - Google Patents
A kind of vertical bearing structure of suspension support beam in base pit engineering Download PDFInfo
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- CN206693242U CN206693242U CN201621336215.1U CN201621336215U CN206693242U CN 206693242 U CN206693242 U CN 206693242U CN 201621336215 U CN201621336215 U CN 201621336215U CN 206693242 U CN206693242 U CN 206693242U
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Abstract
It the utility model is related to a kind of vertical bearing structure of suspension support beam in base pit engineering, including main rope steel wire rope, main rope steel wire rope both ends are anchored on the main rope anchor structure in anchor pile by fixed pulley, hanging cable steel wire rope one end is connected by lock ring ring with main rope steel wire rope, the hanging cable steel wire rope other end is fixed in inner support beam, lock ring ring is fixed on main rope steel wire rope, fixed pulley is fixed in pulley support structure, pulley support structure is fixed in Guan Liang, and main rope anchor structure is embedded to be fixed in anchor pile.The utility model can reduce the vertical bearing structure of support beam and be influenced each other with foundation engineering stake, frame column, shear wall, girder, while can save the duration；Avoid because lattice column influences earth excavation efficiency；It can eliminate because producing eccentric load to support beam after earthwork protuberance in hole, influence its stress performance.
Description
Technical field
It the utility model is related to field of civil engineering, more particularly to Deep Foundation Pit Supporting Project supporting construction.
Background technology
In Supporting Structure of Deep Foundation Pit in City, using campshed+anchor cable (recoverable) and campshed+inner support supporting construction compared with
To be common, with underground space development, such as track traffic, city integrated piping lane, city people's air defense synthesis are built, and people are over the ground
The protective awareness of lower space property right is progressively strengthened, and deep basic pit project in city is subject to using campshed+anchor cable (recoverable) supporting construction
Limitation becomes clear day by day.In Supporting Structure of Deep Foundation Pit in City, campshed+inner supporting structure is used widely, campshed+inner support knot
Structure is mainly made up of fender post, horizontal bearing structure, vertical bearing structure.In vertical bearing structure, the side of being commonly designed at present
Method is after steel lattice column combines with stand column pile, to form vertical compression member, in use, be primarily present problems with：
(1) after steel lattice column is set, earth excavation efficiency is influenceed, earth excavation cost is high；(2) excavator easily collides lattice column,
Lattice column is compression member, potential safety hazard be present；(3) need to consider to avoid when stand column pile, lattice column arrangement foundation engineering stake,
Frame column, shear wall, girder etc., horizontal layout is limited；(4) in hole after earth excavation unloading, Elastic Deformation of Foundation Pit displacement is by steel latticework
Column is transferred to support beam, causes support beam eccentric force；(5) stand column pile and lattice column need basement main structure construction figure
After the completion of, can organizing construction, the duration is limited；(6) steel lattice column and stand column pile cost are high.
The content of the invention
The technical problems to be solved in the utility model is：A kind of vertical bearing structure of suspension support beam in base pit engineering,
Lattice steel used by the alternative vertical bearing structure of inner support traditional at present of its vertical bearing structure of suspension support beam
Column and stand column pile, the vertical bearing structure of inner support beam change into tension framework by compression member, can solve lattice column pressure
Bar stable problem；In every layer of support beam top earth excavation completion, inner support beam of constructing, hanging cable steel wire rope and support beam are connected
It is firm to connect, and reduces earth excavation difficulty；Meanwhile because stand column pile and lattice column need not be set in hole, with agent structure base
Plinth engineering pile, frame column, shear wall, girder intersect few, it might even be possible to directly pour hanging cable steel wire rope in frame column, shear wall
And in girder；Furthermore in some flat shapes rule, support beam is angle brace, in the supporting construction of support, not only reducing cost, is saved
About invest, wobbler action of the bottom heave displacement to support beam can also be reduced, can suitably reduce support beam safety stock.
Concrete scheme of the present utility model is as follows：
A kind of vertical bearing structure of suspension support beam in base pit engineering, including main rope steel wire rope, main rope steel wire rope both ends
It is anchored in by fixed pulley on the main rope anchor structure in anchor pile, hanging cable steel wire rope one end passes through lock ring ring and main rope steel wire rope
Connection, the hanging cable steel wire rope other end are fixed in inner support beam, and lock ring ring is fixed on main rope steel wire rope, and fixed pulley is fixed on cunning
Take turns in supporting construction, pulley support structure is fixed in Guan Liang, and main rope anchor structure is embedded to be fixed in anchor pile.Hanging cable steel wire
Rope one end is connected by lock ring ring with main rope steel wire rope, and the hanging cable steel wire rope other end is fixed in inner support beam in the next layer of earthwork
During excavation, the vertical load of support beam is undertaken.
Further, the vertical bearing structure of support beam changes into tensional element by compression member in base pit engineering, can solve
Certainly lattice column pressure bar stabilization problem, its primary load bearing structure are the main rope steel wire rope and hanging cable steel wire rope in suspended-cable structure.
Further, main rope steel wire rope is in arc-shaped.
Further, a kind of vertical bearing structure of suspension support beam is for inner supporting structure in described base pit engineering
To in support, the reinforced concrete brace of angle brace and bracing members beam.
Further, main rope steel wire rope is the steel wire ropes of 1~3 rope Ф 32~40, and hanging cable steel wire rope is 1~3 rope Ф 15~32
Steel wire rope.Arranged in arc-shaped, both ends are anchored in anchor pile by main rope anchor structure, formed suspended-cable structure, for mainly by
Power component.
The pulley support structure, feature are to be arranged at the top of Guan Liang, weld to be formed using shaped steel such as shaped steel, angle steel, its
Top sets fixed pulley, and main rope steel wire rope is set up on fixed pulley, and suspended-cable structure is formed after combination.
The utility model is to support, the reinforced concrete brace of angle brace and bracing members beam suitable for inner supporting structure.
The beneficial effects of the utility model are：The vertical bearing structure of suspension inner support beam is set, it is vertical to reduce support beam
Bearing structure influences each other with foundation engineering stake, frame column, shear wall, girder, while can save the duration；Next to that avoid Yin Ge
Structure column influences earth excavation efficiency；Furthermore it can eliminate because producing eccentric load to support beam after earthwork protuberance in hole, influence it
Stress performance.
Brief description of the drawings
As Fig. 1 shows the utility model structure constitutional diagram, part is shown in figure：Main rope steel wire rope 01, hanging cable steel wire rope
02nd, lock ring ring 03, fixed pulley 04, main rope anchor structure 05, anchor pile 06, pulley support structure 07 and inner support beam 08.
The drawing of pulley support structure 07 as shown in Figure 2, and part main rope steel wire rope 01 and fixed pulley 04 installation position
Put detail drawing.
As Fig. 3 shows of the present utility model to use step.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail.
As shown in Figure 1-2, a kind of vertical bearing structure of suspension support beam in base pit engineering of the present utility model, for interior
Supporting construction is including the main rope steel wire rope 01 in support, the reinforced concrete brace of angle brace and bracing members beam, main rope steel wire rope
01 is in arc-shaped.The both ends of main rope steel wire rope 01 are anchored on the main rope anchor structure 05 in anchor pile 06 by fixed pulley 04, are hung
The one end of rope steel wire rope 02 is connected by lock ring ring 03 with main rope steel wire rope 01, and the other end of hanging cable steel wire rope 02 is fixed on inner support beam
In 08, lock ring ring 03 is fixed on main rope steel wire rope 01, and fixed pulley 04 is fixed in pulley support structure 07, pulley support structure
07 is fixed in Guan Liang, and main rope anchor structure 05 is embedded to be fixed in anchor pile 06.The one end of hanging cable steel wire rope 02 passes through lock ring ring
03 is connected with main rope steel wire rope 01, and the other end of hanging cable steel wire rope 02 is fixed in inner support beam 08 in next layer of earth excavation,
Undertake the vertical load of support beam.
The vertical bearing structure of support beam changes into tensional element by compression member in base pit engineering, can solve lattice column
Pressure bar stabilization problem, its primary load bearing structure are the main rope steel wire rope 01 and hanging cable steel wire rope 02 in suspended-cable structure.Main rope steel wire
Rope 01 is the steel wire ropes of 1~3 rope Ф 32~40, and hanging cable steel wire rope 02 is the steel wire ropes of 1~3 rope Ф 15~32.Arranged in arc-shaped, two
End is anchored in anchor pile 06 by main rope anchor structure 05, is formed suspended-cable structure, is main bearing member.
The use step of the present embodiment is as follows：
As shown in figure 3, determining foundation pit support plan, the pulling force that main rope steel wire rope 01, hanging cable steel wire rope 02 are undertaken uses
Infrastructure software is calculated, and according to result of calculation arrangement of reinforcement, blanking is carried out by design requirement, and processes lock ring ring, lock ring ring act as by
It is firm that hanging cable steel wire rope 02 is connected with main rope steel wire rope 01, and lock ring ring is connected using hood type；Finished product is protected, is step 2.
After the completion of foundation pit waterproof curtain and building enclosure construction, anchor pile 06 of being constructed on the outside of foundation ditch, anchor pile is being set
Suspension cable both ends to be put to be arranged symmetrically, there is provided the anchor pulling force of suspension cable, anchor pile stake footpath, stake long-press uplift pile are designed, generally 1~
2 cast-in-situ bored piles, stake footpath are generally 800~Ф of Ф 1000, when the pulling force of required offer is smaller, can also use prefabricated side
Stake, is step 3.
After the completion of step 2, fixed pulley 04 is selected, fixed pulley notch should be supporting with main rope steel wire rope 01, and notch diameter is more than
Main rope steel wire rope 3mm, depth of rebate are more than main rope steel wire rope 10mm, are step 4.
After the completion of step 4, main rope steel wire rope 01, hanging cable steel wire rope 02, fixed pulley 04 are combined debugging, length of steel rope
200mm should be lengthened than design length when spending blanking, conveniently be adjusted during installation, be step 5.
Construction supporting stake top Guan Liang, it is step 6 after the completion of step 3.
When step 6 is constructed, built-in fitting in construction Guan Liang is paid attention to, and by design requirement processing pulley support structure 07, for step
Rapid 7.
After the completion of above-mentioned steps, suspended-cable structure is assembled, and main rope steel wire rope 01 is anchored in anchoring stake top by VM anchorages
It is step 8 in reinforced concrete structure.
Complete step 8, can earth excavation to the bottom absolute altitude of first layer support beam 08, first layer support beam of constructing, by hanging cable steel
Cord 02 is anchored in first layer support beam, and reserved steel wire rope, guarantees to be anchored in second layer support beam, is step 9, step
Rapid 10.
Complete step 10, can earth excavation to the bottom absolute altitude of second layer support beam 08, during second layer support beam of constructing, by hanging cable
Steel wire rope 02 is anchored in second layer support beam, is step 11, step 12.
After the completion of above-mentioned steps, a kind of vertical bearing structure of suspension support beam is formed in base pit engineering, can open foundation ditch
Dig to foundation ditch bottom, agent structure of constructing simultaneously carries out support replacement, tears support open, is step 13, step 14.
After the completion of step 13, step 14, reach a kind of vertical bearing structure of suspension support beam and use function, this can be tied
Structure is removed, and reclaims steel wire rope and part, is step 15.
Above-described invention is only that the preferred embodiments of the invention are described, and not the present invention is limited
System, is not being departed from outside essentiality content of the present invention, the various improvement made to the present invention, all should belong to the claims in the present invention model
In enclosing.
Claims (5)
1. a kind of vertical bearing structure of suspension support beam in base pit engineering, including main rope steel wire rope（01）, it is characterised in that：It is main
Rope steel wire rope（01）Both ends pass through fixed pulley（04）It is anchored in anchor pile（06）Interior main rope anchor structure（05）On, hanging cable steel wire
Rope（02）One end passes through lock ring ring（03）With main rope steel wire rope（01）Connection, hanging cable steel wire rope（02）The other end is fixed on inner support
Beam（08）It is interior, lock ring ring（03）It is fixed on main rope steel wire rope（01）On, fixed pulley（04）It is fixed on pulley support structure（07）On,
Pulley support structure（07）It is fixed in Guan Liang, main rope anchor structure（05）It is embedded to be fixed on anchor pile（06）It is interior.
A kind of 2. vertical bearing structure of suspension support beam in base pit engineering according to claim 1, it is characterised in that：Base
The vertical bearing structure of support beam changes into tensional element by compression member in the engineering of hole, can solve lattice column pressure bar stabilization and ask
Topic, its primary load bearing structure are the main rope steel wire rope in suspended-cable structure（01）With hanging cable steel wire rope（02）.
A kind of 3. vertical bearing structure of suspension support beam in base pit engineering according to claim 1, it is characterised in that：It is main
Rope steel wire rope（01）In arc-shaped.
A kind of 4. vertical bearing structure of suspension support beam in base pit engineering according to claim 1, it is characterised in that：Institute
It is the reinforced concrete to support, angle brace that a kind of vertical bearing structure of suspension support beam, which is used for inner supporting structure, in the base pit engineering stated
In native support beam and bracing members beam.
A kind of 5. vertical bearing structure of suspension support beam in base pit engineering according to claim 1, it is characterised in that：It is main
Rope steel wire rope（01）For the steel wire ropes of 1~3 rope Ф 32~40, hanging cable steel wire rope（02）For the steel wire ropes of 1~3 rope Ф 15~32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621336215.1U CN206693242U (en) | 2016-12-07 | 2016-12-07 | A kind of vertical bearing structure of suspension support beam in base pit engineering |
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| CN201621336215.1U CN206693242U (en) | 2016-12-07 | 2016-12-07 | A kind of vertical bearing structure of suspension support beam in base pit engineering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755706A (en) * | 2018-08-23 | 2018-11-06 | 东莞市建筑科学研究所 | Removable internal support of foundation pit system and foundation ditch construction method |
| CN112343061A (en) * | 2020-10-14 | 2021-02-09 | 中建三局第一建设工程有限责任公司 | Ultra-deep silt foundation pit transverse support construction device and construction method |
-
2016
- 2016-12-07 CN CN201621336215.1U patent/CN206693242U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755706A (en) * | 2018-08-23 | 2018-11-06 | 东莞市建筑科学研究所 | Removable internal support of foundation pit system and foundation ditch construction method |
| CN108755706B (en) * | 2018-08-23 | 2023-12-12 | 东莞市建筑科学研究院有限公司 | Movable foundation pit inner support system and foundation pit construction method |
| CN112343061A (en) * | 2020-10-14 | 2021-02-09 | 中建三局第一建设工程有限责任公司 | Ultra-deep silt foundation pit transverse support construction device and construction method |
| CN112343061B (en) * | 2020-10-14 | 2021-08-31 | 中建三局第一建设工程有限责任公司 | Ultra-deep silt foundation pit transverse support construction device and construction method |
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