CN105951869B - A kind of construction method of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of underground garage - Google Patents

A kind of construction method of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of underground garage Download PDF

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Publication number
CN105951869B
CN105951869B CN201610377020.XA CN201610377020A CN105951869B CN 105951869 B CN105951869 B CN 105951869B CN 201610377020 A CN201610377020 A CN 201610377020A CN 105951869 B CN105951869 B CN 105951869B
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tower crane
construction
steel
lattice column
plate
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CN105951869A (en
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齐利涛
马恒力
陈世伟
张庭旺
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China First Metallurgical Group Co Ltd
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China First Metallurgical Group Co Ltd
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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

A kind of construction method of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of underground garage, including:Determination → deposited reinforced concrete pile and the steel lattice column construction of tower crane arrangement and method for 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.Tower crane earthwork excavated volume of the present invention is few, it goes without doing precipitation and steel sheet pile supporting;Using being translated on SBS modified asphalt waterproof coiled materials on steel lattice column, the gap between steel lattice column and concrete cushion is cut off, 3mm thickness steel plate for sealing water is welded in the border of steel lattice column, solves leakage problems;Underground garage bottom plate and top plate of underground parking garage are in tower crane position without indwelling construction joint, baseplate reinforcing bar, roof steel bar need not be disconnected through steel lattice column, ensure the overall security of structure, save because of indwelling construction joint and caused by cost, shorten the duration, ensure construction quality.

Description

A kind of construction method of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of underground garage
Technical field
The present invention relates to residence building group the realm of building construction, and in particular to a kind of not reserved construction joint steel latticework of underground garage The construction method of post tower crane.
Background technology
With the rapid development of economic construction of China, surface parking lots can not meet to use needs, high residential building Housing-group can all set underground garage, and in residence building group building construction process, the determination of tower crane arrangement and method for construction is that whole building is applied Key construction technology in work, directly influence safety, cost and duration.The position of tower crane can only be seated in underground garage In, thing followed construction difficult problem is more and more, currently in order to solve such problem increases steel in deposited reinforced concrete pile Lattice column.
The documents 1 of Application No. 201320123715.7 disclose a kind of lattice pillar tower crane, and cushion cap installs Between basement bottom board bottom surface and foundation pile, the difficulty of construction of tower crane is reduced, it is ensured that project progress, but tower crane base Plinth earthwork excavated volume is big, needs to carry out gib.Application No. 201320061784.X documents 2 disclose a kind of steel The three-back-shaped concrete bearing platform Combined tower crane fundamental mechanism of lattice column, steel lattice column top have poured Back Word type concrete construction and held Platform, ensure tower crane construction safety, solve the problems, such as 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 disclose a kind of concrete-filled tower crane foundation lattice The pouring construction method of structure post, galvanized steel wire netting is wrapped up and is fixed on lattice column periphery, while poured and fill out in hollow cavity Full concrete is to stake top, and lattice column construction finished surface is clean, and lattice column bulk strength and rigidity improve, but agent structure be present Reinforcing bar can not pass through the problem of constructional column.Application No. 201310041910.X documents 4 disclose a kind of steel lattice column Back Word type concrete bearing platform Combined tower crane foundation structure and construction method, horizontal cross brace and vertical is provided between steel lattice column Bridging, steel lattice column bottom are inserted in cast-in-situ bored pile, and cast-in-situ bored pile is located under basement bottom board, is solved deep basal pit and is applied The problem of work vertical transport is inserted in advance, but needing to stay sets construction joint.
The content of the invention
The technical problem to be solved in the present invention is, for deficiencies of the prior art, there is provided a kind of underground garage The construction method of not reserved construction joint Tower Crane Foundation by Steel Lattice Column, is optimized, working procedure adds to Tower Crane Foundation by Steel Lattice Column To improve, solve the problems, such as that prior art needs reserved construction joint, meet construction needs, cost-effective, shortening duration.
The present invention is that technical scheme is used by solving above-mentioned technical problem:
The construction method of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of underground garage, comprises the following steps:
Step S1, the determination of tower crane arrangement and method for construction:Position including tower crane is determined with steel lattice column length L really It is fixed, wherein, underground garage basis, post-cast strip, difference of height position are avoided in tower crane position;Steel lattice column length L=anchor into reinforcing bar Thickness+outer open country of the thickness of the height of cast-in-place concrete pile+underground garage bottom plate+underground garage floor height+top plate of underground parking garage The height of the length of lower shed deckhead+anchor into tower crane;
Step S2, deposited reinforced concrete pile and steel lattice column construction:Bored concrete pile drilling is completed first, then according to design The size and thickness of drawing requirement, steel reinforcement cage, the steel plate for sealing water of steel lattice column, batten plate, angle steel are made, welding is in place, installs steel Muscle cage, steel lattice column, according to the tower crane stake bottom absolute altitude concrete perfusion of design, form deposited reinforced concrete pile;
Step S3, tower crane earth excavation:Tower crane bottom absolute altitude(Cushion cap bottom surface absolute altitude)According to the designed elevation earthwork Cutting depth is that hydraulic backhoe once excavates in place, without precipitation and steel sheet pile supporting within 2m;
Step S4, the cleaning of steel lattice column top concrete, welding anchor bar:Carry out cast-in-situ bored pile pile crown and pick chisel, will Steel lattice column top concrete is cleaned out, and then welds anchor bar;
Step S5, tower crane is constructed:Including tower crane cushion construction, tower crane reinforcing bar colligation construction, Yi Jita Base concrete is hung to pour and conserve;
Step S6, tower crane installation, the horizontal support installation of steel lattice column:Tower crane is arranged on tower crane;In steel lattice Horizontal support is installed on structure post;
Step S7, underground garage construction of bottom plates:Underground garage bottom plate treatment measures are worn in steel lattice column support, and steel lattice column is worn More the underplate concrete of underground garage bottom plate when, steel lattice column can not premature removal, not indwelling construction joint on underground garage bottom plate, The border position welding steel plate for sealing water of steel lattice column among underground garage bottom plate, and set SBS to change in the border of steel lattice column Property asphalt water-proof coiled material;Then base plate steel bar binding construction is carried out, baseplate reinforcing bar does not turn off through steel lattice column, finally carries out bottom Board concrete is constructed;
Step S8, top plate of underground parking garage is constructed:Not indwelling construction joint on top plate of underground parking garage, among top plate of underground parking garage The border position welding steel plate for sealing water of steel lattice column;Then roof steel bar colligation construction is carried out, roof steel bar passes through steel lattice column Do not turn off, finally carry out concrete roof construction;
Step S9, tower crane is removed.
By such scheme, steel lattice column length L is also determined by checking simultaneously in the step S1.
By such scheme, the border for turning over 200mm steel lattice columns in the step S7 on SBS modified asphalt waterproof coiled materials is set Put.
By such scheme, the steel plate for sealing water welded in step S7, S8 is that 3mm is thick, 200mm is wide.
The operation principle of the present invention:Do not stayed in underground garage work progress and set construction joint, engineering main body at initial stage reinforcing bar mixes Tower crane arrangement and method for construction is determined during solidifying native filling pile construction, the pile foundation of tower crane is synchronous with main body deposited reinforced concrete pile Construction;Start earthwork, foundation construction, tower crane installation after the pile foundation intensity of tower crane reaches design requirement, ensure tower crane Use of the satisfaction when subterranean excavation constructs first of support, underground garage bottom plate and top plate are in tower crane position without indwelling Construction joint, reinforcing bar need not disconnect, and ensure the overall security of structure.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, tower crane utilizes the combination of cast-in-place concrete pile and lattice column in the inventive method, determines the mark of tower crane Height is simple structure, convenient construction, safe and reliable on top plate, has preferable economic benefit and social benefit;
2nd, tower crane earthwork excavated volume is few, it goes without doing precipitation and steel sheet pile supporting, solves the tower crane of documents 1 Earthwork excavated volume is big, the problems such as needing gib and top plate to reserve construction joint;
3rd, using being translated on SBS modified asphalt waterproof coiled materials on steel lattice column, cut-out steel lattice column and concrete cushion it Between gap, steel lattice column border weld 3mm thickness steel plate for sealing water, solve leakage problems;
4th, construction joint need not be reserved at underground garage bottom plate, top plate of underground parking garage, material is saved, saves duration, ground Reinforcing bar at house bottom plate and top plate of underground parking garage of getting off need not disconnect, and meet structure safety, solve basement in documents 2 Top plate needs the problems such as reserved construction joint, and the construction of constructional column can not be passed through by also solving agent structure reinforcing bar in documents 3 Problem, also solve the problems, such as to need to stay in file 4 to set construction joint;
5th, tower crane is removed and transported outward and be easy for construction on top plate of underground parking garage.
Brief description of the drawings
Fig. 1 is the design drawing of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of underground garage of the present invention;
Fig. 2 is the assembling structure schematic diagram 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 waterproofs;
In figure, 1, tower crane, 2, concrete roof, 3, tower crane, 4, underplate concrete, 5, steel lattice column, 6, reinforcing bar mixes Coagulate native bored 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.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
Shown in 1 ~ Fig. 3 of reference picture, underground garage of the present invention does not reserve applying for construction joint Tower Crane Foundation by Steel Lattice Column Work method, workflow include:Determination → deposited reinforced concrete pile and steel lattice column construction → tower crane of tower crane arrangement and method for construction Basic earthwork excavation → steel lattice column top concrete cleaning, welding anchor bar → tower crane construction → tower crane installation → ground House bottom plate construction → top plate of underground parking garage construction → tower crane of getting off is removed.
Step S1, the determination of tower crane arrangement and method for construction:Position including tower crane 3 is determined with the length L of steel lattice column 5 really It is fixed, wherein, underground garage basis, post-cast strip, difference of height position are avoided in the position of tower crane 3, and tower crane 3 is regioselective good It is bad to directly influence subsequent construction difficulty and safety guarantee;The height of the length L of steel lattice column 5=anchor into deposited reinforced concrete pile 6 (2.1m)The thickness of+underground garage bottom plate(0.4m)+ underground garage floor height(5.6m)The thickness of+top plate of underground parking garage(0.45m)+ The length of exposed top plate of underground parking garage(0.3m)+ anchor into the height of tower crane 3(0.3m)=9.15m;The length L of steel lattice column 5 is same When also pass through check determine;
Step S2, deposited reinforced concrete pile 6 and steel lattice column 5 are constructed:Bored concrete pile drilling is completed first, and then basis is set The size and thickness of drawing requirement are counted, makes steel reinforcement cage, steel plate for sealing water 9, batten plate, the angle steel of steel lattice column 5, welding is in place, peace Steel reinforcement cage, steel lattice column 5 are filled, according to the tower crane stake bottom absolute altitude concrete perfusion of design, forms deposited reinforced concrete pile 6;
Step S3, the earth excavation of tower crane 3:Tower crane bottom absolute altitude(Cushion cap bottom surface absolute altitude)According to the designed elevation earthwork Cutting depth is that hydraulic backhoe once excavates in place, it is not necessary to precipitation and steel sheet pile supporting within 2m;
Step S4, the cleaning of steel lattice column top concrete, welding anchor bar:Carry out cast-in-situ bored pile pile crown and pick chisel, will The top concrete of steel lattice column 5 is cleaned out, and then welds anchor bar;
Step S5, tower crane 3 is constructed:Including the cushion construction of tower crane 3, the reinforcing bar colligation of tower crane 3 is constructed, and The concreting of tower crane 3 and maintenance;
Step S6, tower crane 1 is installed, the horizontal support of steel lattice column 57 is installed:Tower crane 1 is arranged on tower crane 3, Horizontal support 7 is installed on steel lattice column 5;
Step S7, underground garage construction of bottom plates:Underground garage bottom plate treatment measures, steel lattice column 5 are worn in the support of steel lattice column 5 When passing through the underplate concrete 4 of underground garage bottom plate, steel lattice column 5 can not premature removal, on underground garage bottom plate not indwelling apply Work is stitched, the steel plate for sealing water 9 that the border position welding 3mm of steel lattice column 5 is thick among underground garage bottom plate, 200mm is wide, and in steel The border of lattice column 5 sets SBS modified asphalt waterproof coiled materials 12, and the border that 200mm steel lattice columns 5 are turned on coiled material 12 is set;So The colligation of baseplate reinforcing bar 10 construction is carried out afterwards, and baseplate reinforcing bar 10 does not turn off through steel lattice column 5, finally carries out underplate concrete 4 and applies Work;
Step S8, top plate of underground parking garage is constructed:Not indwelling construction joint on top plate of underground parking garage, among top plate of underground parking garage The border position welding 3mm thickness of steel lattice column 5,200mm wide steel plate for sealing water 9;Then the colligation of roof steel bar 8 construction, top are carried out Slab muscle 8 does not turn off through steel lattice column 5, finally carries out concrete roof 2 and constructs;
Step S9, tower crane 3 is removed.
The above-described right model for being only presently preferred embodiments of the present invention, the present invention can not being limited with this certainly Enclose, therefore the equivalence changes made according to scope of the present invention patent, still belong to protection scope of the present invention.

Claims (3)

1. the construction method of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of a kind of underground garage, it is characterised in that including as follows Step:
Step S1, the determination of tower crane arrangement and method for construction:Position including tower crane determines and steel lattice column length L determination, its In, underground garage basis, post-cast strip, difference of height position are avoided in tower crane position;Steel lattice column length L=anchor into reinforced concrete The thickness of the height of native bored concrete pile+underground garage bottom plate+underground garage floor height+thickness of top plate of underground parking garage+is got off exposedly The height of the length of storehouse top plate+anchor into tower crane;
Step S2, deposited reinforced concrete pile and steel lattice column construction:Bored concrete pile drilling is completed first, then according to design drawing It is required that size and thickness, make steel reinforcement cage, the steel plate for sealing water of steel lattice column, batten plate, angle steel, welding is in place, installation steel reinforcement cage, Steel lattice column, according to the tower crane stake bottom absolute altitude concrete perfusion of design, form deposited reinforced concrete pile;
Step S3, tower crane earth excavation:Tower crane bottom absolute altitude is liquid within 2m according to designed elevation earth excavation depth Pressure backacter once excavates in place, without precipitation and steel sheet pile supporting;
Step S4, the cleaning of steel lattice column top concrete, welding anchor bar:Carry out cast-in-situ bored pile pile crown and pick chisel, by steel lattice Structure column top concrete is cleaned out, and then welds anchor bar;
Step S5, tower crane is constructed:Including tower crane cushion construction, tower crane reinforcing bar colligation construction, and tower crane base Plinth concreting and maintenance;
Step S6, tower crane installation, the horizontal support installation of steel lattice column:Tower crane is arranged on tower crane;In steel lattice column Upper installation horizontal support;
Step S7, underground garage construction of bottom plates:Underground garage bottom plate treatment measures are worn in steel lattice column support, and steel lattice column passes through ground Get off house bottom plate underplate concrete when, steel lattice column can not premature removal, not indwelling construction joint on underground garage bottom plate, on ground Get off the border position welding steel plate for sealing water of steel lattice column among house bottom plate, and set SBS to be modified drip in the border of steel lattice column Blue or green waterproof roll;Then base plate steel bar binding construction is carried out, baseplate reinforcing bar does not turn off through steel lattice column, finally carries out bottom plate and mixes Solidifying soil application work;
Step S8, top plate of underground parking garage is constructed:Not indwelling construction joint on top plate of underground parking garage, the steel lattice among top plate of underground parking garage The border position welding steel plate for sealing water of structure post;Then roof steel bar colligation construction is carried out, roof steel bar is continuous through steel lattice column Open, finally carry out concrete roof construction;
Step S9, tower crane is removed.
2. the construction method of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of underground garage according to claim 1, it is special Sign is that the border for turning over 200mm steel lattice columns in the step S7 on SBS modified asphalt waterproof coiled materials is set.
3. the construction method of the not reserved construction joint Tower Crane Foundation by Steel Lattice Column of underground garage according to claim 1, it is special Sign is that the steel plate for sealing water welded in step S7, S8 is that 3mm is thick, 200mm is wide.
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 Active CN105951869B (en)

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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
CN111058473B (en) * 2019-12-30 2021-05-07 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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JPS5910623A (en) * 1982-07-08 1984-01-20 Takenaka Komuten Co Ltd Foundation structure of selfsupported type stationary crane
CN100564700C (en) * 2007-12-26 2009-12-02 浙江省长城建设集团股份有限公司 The job practices of lattice type steel column tower crane pedestal
CN102587407A (en) * 2012-03-23 2012-07-18 舜元建设(集团)有限公司 Construction method for tower crane foundation without bearing platform in deep foundation pit
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'
CN203145038U (en) * 2013-03-19 2013-08-21 中建保华建筑有限责任公司 Latticed column type tower crane foundation

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