CN105951869A - Construction method of steel latticework column tower crane foundation for underground garage without reserving construction joints - Google Patents

Construction method of steel latticework column tower crane foundation for underground garage without reserving construction joints Download PDF

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Publication number
CN105951869A
CN105951869A CN201610377020.XA CN201610377020A CN105951869A CN 105951869 A CN105951869 A CN 105951869A CN 201610377020 A CN201610377020 A CN 201610377020A CN 105951869 A CN105951869 A CN 105951869A
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China
Prior art keywords
construction
tower crane
steel
lattice column
steel lattice
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CN201610377020.XA
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Chinese (zh)
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CN105951869B (en
Inventor
齐利涛
马恒力
陈世伟
张庭旺
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中国冶集团有限公司
中国一冶集团有限公司
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Priority to CN201610377020.XA priority Critical patent/CN105951869B/en
Publication of CN105951869A publication Critical patent/CN105951869A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/44Foundations for machines, engines or ordnance
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods

Abstract

The invention discloses a construction method of a steel latticework column tower crane foundation for an underground garage without reserving construction joints. The construction method comprises the following steps of determining a tower crane construction scheme; constructing reinforced concrete cast-in-situ piles and steel latticed columns; excavating a tower crane foundation earthwork; cleaning top concrete of the steel latticed columns and welding anchor steel bars; constructing a tower crane foundation; mounting a tower crane; constructing a base plate of the underground garage; constructing a top plate of the underground garage; and dismantling the tower crane foundation. According to the construction method, the excavated volume of the tower crane foundation earthwork is low, and the precipitation and the support of steel sheet piles are avoided; SBS modified asphalt waterproof rolled materials are used to upturn onto the steel latticed columns, clearances between the steel latticed columns and a concrete cushion are cut off, and water-stop steel plates with thickness of 3mm are welded on a circumferential circles of the steel latticed columns, thereby solving the problem of leakage; no construction joints need to be reserved at positions of the base plate of the underground garage and the top plate of the underground garage on the tower crane foundation; and base plate reinforced steel bars and top plate reinforced steel bars penetrate through the steel latticed columns without being broken off, so that the overall safety of the structure is guaranteed, the cost generated by reserving the construction joints is saved, the construction period is shortened, and the construction quality is guaranteed.

Description

A kind of underground garage does not reserve the construction method of construction joint Tower Crane Foundation by Steel Lattice Column
Technical field
The present invention relates to residence building group the realm of building construction, be specifically related to a kind of underground garage and do not reserve the construction method of construction joint Tower Crane Foundation by Steel Lattice Column.
Background technology
Along with developing rapidly of China's economic construction, surface parking lots cannot meet use needs, high residential building housing-group all can be configured to Underground Garage, in residence building group building construction process, the determination of tower crane arrangement and method for construction is the key construction technology in whole construction, directly influences safety, cost and duration.The position of tower crane can only be seated in underground garage, and thing followed construction difficult problem gets more and more, currently in order to solve this type of difficult problem to increase steel lattice column in deposited reinforced concrete pile.
The documents 1 of Application No. 201320123715.7 discloses a kind of lattice pillar tower crane, cushion cap props up to be located between basement bottom board bottom surface and foundation pile, reduce the difficulty of construction of tower crane, it is ensured that project progress, but tower crane earthwork excavated volume is big, need to carry out gib.The documents 2 of Application No. 201320061784.X discloses a kind of steel lattice column three-back-shaped concrete bearing platform Combined tower crane fundamental mechanism, steel lattice column top has poured Back Word type concrete construction cushion cap, ensure tower crane construction safety, solve the problem that deep foundation pit construction vertical transport is inserted in advance, but basement roof needs reserved construction joint.The documents 3 of Application No. 201210065292.8 discloses the pouring construction method of a kind of concrete-filled tower crane foundation lattice column, galvanized steel wire netting wraps up and is fixed on lattice column peripheral, in hollow cavity, pouring fills up concrete to stake top simultaneously, lattice column construction finished surface is clean, lattice column bulk strength and rigidity improve, cannot be through the problem of constructional column but there is agent structure reinforcing bar.The documents 4 of Application No. 201310041910.X discloses a kind of steel lattice column Back Word type concrete bearing platform Combined tower crane base structure and construction method, horizontal cross brace and vertical bridging it is provided with between steel lattice column, insert bottom steel lattice column in cast-in-situ bored pile, cast-in-situ bored pile is located under basement bottom board, solve the problem that deep foundation pit construction vertical transport is inserted in advance, however it is necessary that to stay and set construction joint.
Summary of the invention
The technical problem to be solved in the present invention is, for deficiencies of the prior art, a kind of underground garage is provided not reserve the construction method of construction joint Tower Crane Foundation by Steel Lattice Column, Tower Crane Foundation by Steel Lattice Column is optimized, working procedure is improved, solve prior art and need the problem of reserved construction joint, meet construction needs, cost-effective, reduction of erection time.
The present invention solves that above-mentioned technical problem be the technical scheme is that
Underground garage does not reserve the construction method of construction joint Tower Crane Foundation by Steel Lattice Column, comprises the steps:
Step S1, the determination of tower crane arrangement and method for construction: include that the position of tower crane determines and the determination of steel lattice column length L, wherein, underground garage basis, post-cast strip, difference of height position are avoided in tower crane position;Steel lattice column length L=anchors into the height of the length of the thickness of the thickness+underground garage floor height+top plate of underground parking garage of the height+underground garage base plate of deposited reinforced concrete pile+expose top plate of underground parking garage+anchor into tower crane;
Step S2, deposited reinforced concrete pile and steel lattice column construction: first complete bored concrete pile boring, then the size required according to design drawing and thickness, make steel reinforcement cage, the steel plate for sealing water of steel lattice column, batten plate, angle steel, weld in place, steel reinforcement cage, steel lattice column are installed, according to absolute altitude concrete perfusion at the bottom of the tower crane stake of design, form deposited reinforced concrete pile;
Step S3, tower crane earth excavation: within absolute altitude at the bottom of tower crane (cushion cap bottom surface absolute altitude) is 2m according to the designed elevation earth excavation degree of depth, hydraulic backhoe once excavates and puts in place, does not carry out precipitation and steel sheet pile supporting;
The cleaning of step S4, steel lattice column top concrete, welding anchor bar: carry out cast-in-situ bored pile pile crown and pick chisel, steel lattice column top concrete is cleaned out, then weld anchor bar;
Step S5, tower crane are constructed: include tower crane cushion construction, the construction of tower crane reinforcing bar binding, and tower crane concreting and maintenance;
Step S6, tower crane are installed, the horizontal support of steel lattice column is installed: be arranged on tower crane by tower crane;Steel lattice column is installed horizontal support;
Step S7, underground garage construction of bottom plates: steel lattice column supports and wears underground garage base plate treatment measures, when steel lattice column passes through the underplate concrete of underground garage base plate, steel lattice column cannot premature removal, not indwelling construction joint on underground garage base plate, position, the border welding steel plate for sealing water of steel lattice column in the middle of underground garage base plate, and SBS modified asphalt waterproof coiled material is set in the border of steel lattice column;Then carrying out base plate steel bar binding construction, baseplate reinforcing bar does not turns off through steel lattice column, finally carries out underplate concrete construction;
Step S8, top plate of underground parking garage are constructed: not indwelling construction joint on top plate of underground parking garage, position, the border welding steel plate for sealing water of steel lattice column in the middle of top plate of underground parking garage;Then carrying out roof steel bar colligation construction, roof steel bar does not turns off through steel lattice column, finally carries out concrete roof construction;
Step S9, tower crane are removed.
By such scheme, in described step S1, steel lattice column length L determines also by checking computations simultaneously.
By such scheme, the border turning over 200mm steel lattice column in described step S7 on SBS modified asphalt waterproof coiled material is arranged.
By such scheme, in described step S7, S8, the steel plate for sealing water of welding is 3mm thickness, 200mm width.
The operation principle of the present invention: do not stay in underground garage work progress and set construction joint, determines tower crane arrangement and method for construction in engineering initial stage main body deposited reinforced concrete pile work progress, the pile foundation of tower crane and main body deposited reinforced concrete pile synchronous construction;Earthwork, foundation construction, tower crane installation is started after the pile foundation intensity of tower crane reaches design requirement, ensure that tower crane meets the use when subterranean excavation construction first supports, underground garage base plate and top board in tower crane position without indwelling construction joint, reinforcing bar need not disconnect, it is ensured that the overall security of structure.
Compared with prior art, the invention has the beneficial effects as follows:
1, in the inventive method, tower crane utilizes the combination of cast-in-place concrete pile and lattice column, determine the absolute altitude of tower crane on top board, simple structure, convenient construction, safe and reliable, there is preferable economic benefit and social benefit;
2, tower crane earthwork excavated volume is few, it goes without doing precipitation and steel sheet pile supporting, solves that documents 1 tower crane earthwork excavated volume is big, need gib and top board to reserve the problems such as construction joint;
3, utilizing translates on steel lattice column on SBS modified asphalt waterproof coiled material, cuts off the gap between steel lattice column and concrete cushion, welds 3mm thickness steel plate for sealing water in the border of steel lattice column, solves leakage problems;
4, need not reserve construction joint at underground garage base plate, top plate of underground parking garage, save material, save the duration, at underground garage base plate and top plate of underground parking garage, reinforcing bar need not disconnect, meet structural safety, solve basement roof in documents 2 and need the problems such as reserved construction joint, also solve agent structure reinforcing bar in documents 3 cannot also to solve file 4 needs stay the problem setting construction joint through the construction problem of constructional column;
5, tower crane is on top plate of underground parking garage, removes and transports outward easy construction.
Accompanying drawing explanation
Fig. 1 is the design drawing that underground garage of the present invention does not reserve construction joint Tower Crane Foundation by Steel Lattice Column;
Fig. 2 is the assembling structural representation that steel lattice column coordinates with steel plate for sealing water;
Fig. 3 is the structural representation that steel lattice column coordinates with concrete cushion and SBS modified asphalt waterproof;
In figure, 1, tower crane, 2, concrete roof, 3, tower crane, 4, underplate concrete, 5, steel lattice column, 6, deposited reinforced concrete pile, 7, horizontal support, 8, roof steel bar, 9, steel plate for sealing water, 10, baseplate reinforcing bar, 11, concrete cushion, 12, SBS modified asphalt waterproof.
Detailed description of the invention
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
With reference to shown in Fig. 1 ~ Fig. 3, underground garage of the present invention does not reserve the construction method of construction joint Tower Crane Foundation by Steel Lattice Column, and workflow includes: the determination → deposited reinforced concrete pile of tower crane arrangement and method for construction and steel lattice column construction → tower crane earth excavation → steel lattice column top concrete cleaning, welding anchor bar → tower crane construction → tower crane installation → underground garage construction of bottom plates → top plate of underground parking garage construction → tower crane are removed.
Step S1, the determination of tower crane arrangement and method for construction: include that the position of tower crane 3 determines and the determination of steel lattice column 5 length L, wherein, underground garage basis, post-cast strip, difference of height position are avoided in tower crane 3 position, and the regioselective quality of tower crane 3 directly influences subsequent construction difficulty and safety guarantee;Steel lattice column 5 length L=anchors into height (the 0.3m)=9.15m of the length (0.3m) of the thickness (0.45m) of thickness (0.4m)+underground garage floor height (the 5.6m)+top plate of underground parking garage of height (the 2.1m)+underground garage base plate of deposited reinforced concrete pile 6+expose top plate of underground parking garage+anchor into tower crane 3;Steel lattice column 5 length L determines also by checking computations simultaneously;
Step S2, deposited reinforced concrete pile 6 and steel lattice column 5 are constructed: first complete bored concrete pile boring, then the size required according to design drawing and thickness, make steel reinforcement cage, the steel plate for sealing water 9 of steel lattice column 5, batten plate, angle steel, weld in place, steel reinforcement cage, steel lattice column 5 are installed, according to absolute altitude concrete perfusion at the bottom of the tower crane stake of design, form deposited reinforced concrete pile 6;
Step S3, tower crane 3 earth excavation: within absolute altitude at the bottom of tower crane (cushion cap bottom surface absolute altitude) is 2m according to the designed elevation earth excavation degree of depth, hydraulic backhoe once excavates and puts in place, it is not necessary to precipitation and steel sheet pile supporting;
The cleaning of step S4, steel lattice column top concrete, welding anchor bar: carry out cast-in-situ bored pile pile crown and pick chisel, steel lattice column 5 top concrete is cleaned out, then welds anchor bar;
Step S5, tower crane 3 are constructed: include tower crane 3 cushion construction, the construction of tower crane 3 reinforcing bar binding, and tower crane 3 concreting and maintenance;
Step S6, tower crane 1 are installed, the horizontal support 7 of steel lattice column 5 is installed: be arranged on tower crane 3 by tower crane 1, install horizontal support 7 on steel lattice column 5;
Step S7, underground garage construction of bottom plates: steel lattice column 5 supports and wears underground garage base plate treatment measures, when steel lattice column 5 passes through the underplate concrete 4 of underground garage base plate, steel lattice column 5 cannot premature removal, not indwelling construction joint on underground garage base plate, the steel plate for sealing water 9 thick, wide for 200mm for position, border welding 3mm of steel lattice column 5 in the middle of underground garage base plate, and SBS modified asphalt waterproof coiled material 12 is set in the border of steel lattice column 5, the border that coiled material 12 turns over 200mm steel lattice column 5 is arranged;Then carrying out baseplate reinforcing bar 10 colligation construction, baseplate reinforcing bar 10 does not turns off through steel lattice column 5, finally carries out underplate concrete 4 and construct;
Step S8, top plate of underground parking garage are constructed: not indwelling construction joint on top plate of underground parking garage, the steel plate for sealing water 9 thick, wide for 200mm for position, border welding 3mm of steel lattice column 5 in the middle of top plate of underground parking garage;Then carrying out roof steel bar 8 colligation construction, roof steel bar 8 does not turns off through steel lattice column 5, finally carries out concrete roof 2 and construct;
Step S9, tower crane 3 are removed.
The above-described presently preferred embodiments of the present invention that is only, the interest field that certainly can not limit the present invention with this, therefore change according to the equivalence that scope of the present invention patent is made, still belong to protection scope of the present invention.

Claims (4)

1. a underground garage does not reserve the construction method of construction joint Tower Crane Foundation by Steel Lattice Column, it is characterised in that comprise the steps:
Step S1, the determination of tower crane arrangement and method for construction: include that the position of tower crane determines and the determination of steel lattice column length L, wherein, underground garage basis, post-cast strip, difference of height position are avoided in tower crane position;Steel lattice column length L=anchors into the height of the length of the thickness of the thickness+underground garage floor height+top plate of underground parking garage of the height+underground garage base plate of deposited reinforced concrete pile+expose top plate of underground parking garage+anchor into tower crane;
Step S2, deposited reinforced concrete pile and steel lattice column construction: first complete bored concrete pile boring, then the size required according to design drawing and thickness, make steel reinforcement cage, the steel plate for sealing water of steel lattice column, batten plate, angle steel, weld in place, steel reinforcement cage, steel lattice column are installed, according to absolute altitude concrete perfusion at the bottom of the tower crane stake of design, form deposited reinforced concrete pile;
Step S3, tower crane earth excavation: within absolute altitude at the bottom of tower crane is 2m according to the designed elevation earth excavation degree of depth, hydraulic backhoe once excavates and puts in place, do not carry out precipitation and steel sheet pile supporting;
The cleaning of step S4, steel lattice column top concrete, welding anchor bar: carry out cast-in-situ bored pile pile crown and pick chisel, steel lattice column top concrete is cleaned out, then weld anchor bar;
Step S5, tower crane are constructed: include tower crane cushion construction, the construction of tower crane reinforcing bar binding, and tower crane concreting and maintenance;
Step S6, tower crane are installed, the horizontal support of steel lattice column is installed: be arranged on tower crane by tower crane;Steel lattice column is installed horizontal support;
Step S7, underground garage construction of bottom plates: steel lattice column supports and wears underground garage base plate treatment measures, when steel lattice column passes through the underplate concrete of underground garage base plate, steel lattice column cannot premature removal, not indwelling construction joint on underground garage base plate, position, the border welding steel plate for sealing water of steel lattice column in the middle of underground garage base plate, and SBS modified asphalt waterproof coiled material is set in the border of steel lattice column;Then carrying out base plate steel bar binding construction, baseplate reinforcing bar does not turns off through steel lattice column, finally carries out underplate concrete construction;
Step S8, top plate of underground parking garage are constructed: not indwelling construction joint on top plate of underground parking garage, position, the border welding steel plate for sealing water of steel lattice column in the middle of top plate of underground parking garage;Then carrying out roof steel bar colligation construction, roof steel bar does not turns off through steel lattice column, finally carries out concrete roof construction;
Step S9, tower crane are removed.
Underground garage the most according to claim 1 does not reserve the construction method of construction joint Tower Crane Foundation by Steel Lattice Column, it is characterised in that in described step S1, steel lattice column length L determines also by checking computations simultaneously.
Underground garage the most according to claim 1 does not reserve the construction method of construction joint Tower Crane Foundation by Steel Lattice Column, it is characterised in that the border turning over 200mm steel lattice column in described step S7 on SBS modified asphalt waterproof coiled material is arranged.
Underground garage the most according to claim 1 does not reserve the construction method of construction joint Tower Crane Foundation by Steel Lattice Column, it is characterised in that in described step S7, S8, the steel plate for sealing water of welding is 3mm thickness, 200mm width.
CN201610377020.XA 2016-05-31 2016-05-31 A kind of construction method of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of underground garage CN105951869B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106836309A (en) * 2016-12-30 2017-06-13 上海建工七建集团有限公司 In fish belly sill bracing members system in sole plate steel column anti-seepage construction method
CN111042594A (en) * 2019-12-28 2020-04-21 山东天齐置业集团股份有限公司 Construction process of elevator foundation at post-cast strip position of garage top plate settlement
CN111058473A (en) * 2019-12-30 2020-04-24 朱夏武 Anti-seepage structure for tower crane foundation in basement bottom plate of building and construction method
CN111364476A (en) * 2020-03-24 2020-07-03 中国十七冶集团有限公司 Waterproof construction method for lattice column penetrating structural slab

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CN203034476U (en) * 2013-02-04 2013-07-03 中天建设集团有限公司 Tower crane base structure in type of combination of steel latticework columns and concrete bearing platform shaped like Chinese character 'hui'
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106836309A (en) * 2016-12-30 2017-06-13 上海建工七建集团有限公司 In fish belly sill bracing members system in sole plate steel column anti-seepage construction method
CN111042594A (en) * 2019-12-28 2020-04-21 山东天齐置业集团股份有限公司 Construction process of elevator foundation at post-cast strip position of garage top plate settlement
CN111058473A (en) * 2019-12-30 2020-04-24 朱夏武 Anti-seepage structure for tower crane foundation in basement bottom plate of building and construction method
CN111364476A (en) * 2020-03-24 2020-07-03 中国十七冶集团有限公司 Waterproof construction method for lattice column penetrating structural slab

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