CN105064401A - Method for excavating and constructing large-area basement - Google Patents
Method for excavating and constructing large-area basement Download PDFInfo
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- CN105064401A CN105064401A CN201510485885.3A CN201510485885A CN105064401A CN 105064401 A CN105064401 A CN 105064401A CN 201510485885 A CN201510485885 A CN 201510485885A CN 105064401 A CN105064401 A CN 105064401A
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Abstract
The invention discloses a method for excavating and constructing a large-area basement. The method is characterized in that the basement is divided into a middle region and an edge region. The middle region is circular or oval and the area of the middle region ranges from 300 m<2> to 500 m<2>. After a lattice steel column and a basement enclosure wall are constructed, a concrete top board of the edge region is constructed firstly and the concrete top board is annularly supported in the basement; then, the middle region of the basement is constructed; a circular or oval capping beam is arranged at the top of the middle region of the basement; a temporary enclosure wall is arranged at the lower portion of the capping beam; earth excavation of the middle region is performed layer by layer; when earth of the middle region is excavated to the bottom elevation portion of a bottom board of the basement, the bottom board of the basement is poured and then structural floor slabs of the middle region are poured layer by layer from bottom to top; after the structural floor slabs of the middle region of the basement are constructed, the edge region is constructed; and a construction method implemented from top to bottom is adopted in construction of the edge region and concrete side walls and floor slabs of the basement are poured as soon as a layer of earth is excavated.
Description
Technical field
The present invention relates to a kind of basement, particularly In Great Basement excavation construction method.
Background technology
In Great Basement is excavated; usually can inner support be set when basement span is larger; but inner support is subject to bending and shearing because span is comparatively large on the one hand can be very large; easy appearance is ftractureed because bending resistance is cut not; on the other hand inner support cost is higher, outstanding and along with the increase of the basement degree of depth be Square-type growth.Excavation section by section technical scheme can be adopted, the middle part earthwork and the edge earthwork are divided into different phase excavation, just not necessarily will arrange inner support, can save cost when earthwork block scope is less, the middle part earthwork and edge soil excavation can form cross construction operation in addition, thus can save the duration.
Summary of the invention
The present invention is to provide a kind of In Great Basement excavation construction method, solves the problem of prior art.
For this reason, basement is divided into middle part and edge two regions by the present invention, and central region is circular or oval, and central region area is 300 ~ 500m
2after completing lattice steel column and basement enclosure wall, first construction edge region concrete roof, concrete roof forms annular brace at basement, central region basement of then constructing, and central region basement top arranges circle or oval capping beam, interim enclosure wall is established in capping beam bottom, central region soil excavation adopts stage excavation, treats that at the bottom of central region soil excavation to basement bottom board, basement bottom board is built at absolute altitude position, then successively builds central region structure floor from bottom to up.Carry out construction edge region again after central region basement structure floor slab construction, construction method is from top to bottom carried out in the construction of edge region, and the earthwork of excavation one deck builds concrete of basement side wall and basement floor afterwards at once.
Construction sequence adopts as follows:
(1) construction edge region lattice steel column.
Lattice steel column is inserted after treating Construction of Engineering Pile.The verticality misalignment of axe of lattice steel column controls in ± 10mm, and absolute altitude controls in ± 10mm, and degree control is within 1/300 ~ 1/600.The verticality controlling lattice steel column can adopt following wherein a kind of:
1 utilizes leading truck to control.Be placed to aperture and after fixation, align piles position central point carries out laying steel latticework steel column leading truck at reinforcing cage, with the black mark-line adjustment on the centering scale of straightening frame and hard place level ground, steel latticework steel column leading truck center and Zhuan Wei center be consistent.Lay for making steel latticework steel column and can meet the demands, steel latticework steel column leading truck is corrected.The verticality of steel latticework steel column leading truck carries out verticality by two transits and central point controls, and adopts cushion block mode to be corrected when finding deviation.
2 utilize rubber pocket to control.Upwards respectively inclination sensor is installed in length and breadth in lattice steel column upper end, and respectively lays a rubber pocket outside limit, lower end four.Rubber pocket hangs in boring with lattice steel column, and is fixed in stressed good soil layer.Rubber pocket is connected with computer by air inlet pipe, and the terminal of sensor is connected with computer equally.During system cloud gray model, first computer is given by vertical reference by the deflection information of lattice steel column, analyzed by computer program, then the rubber pocket opening incline direction carries out inflating and promotes lattice steel column bottom to movement in vertical direction, after lattice steel column enters the verticality scope of regulation, namely gas check valve stopping inflation being closed in instruction, stops promoting lattice steel column simultaneously.Verticality adjustment in lattice steel column both direction can control simultaneously.Until concrete casting to from below rubber pocket during 1m, i.e. dismountable rubber pocket, and continue placing of concrete to design elevation.
(2) construction basement enclosure wall.
Basement enclosure wall width is 300 ~ 350mm.
(3) broken ground within basement enclosure wall and reinforced.
In order to distortion of being broken ground within preventing basement enclosure wall causes lattice steel column to produce sedimentation, thus produce secondary stress and then unstability, therefore reinforced breaking ground within basement, being broken ground, to reinforce width be 1m, and the degree of depth is 1.5 ~ 2m.
(4) construction edge region concrete roof.
Concrete roof is arranging concrete side bar from basement enclosure wall 700 ~ 900mm position, and concrete edge depth of beam is 500 ~ 700mm.Edge region concrete roof arranges soil outlet, and soil outlet setting space is every 500 ~ 600m
2arrange one.Soil outlet is rectangle, and occur in order to avoid rectangle soil outlet four corners position because stress concentrates destroying, rectangle soil outlet four corners position arranges 3 radial steel reinforcements, and radial steel reinforcement diameter is 25mm.
(5) construction type steel support.
Between basement enclosure wall and concrete side bar, type steel support is set.
(6) the interim enclosure wall of construction central region.
Interim enclosure wall width is 250 ~ 300mm.
(7) construction central region capping beam.
Capping beam height is 600 ~ 800mm, and width is 250 ~ 300mm.
(8) central region basement bottom board is excavated to.
(9) central region concrete of basement base plate is built.
Basement bottom board borders on position pre-embedded steel slab waterstop in central region and edge region, arranges Grouting Pipe at seaming position, until edge region basement bottom board build complete reach intensity after carry out the micro gap of grouting filling seam crossing again.
(10) central region structure floor is successively built.
Central region structure floor and interim enclosure wall join position should locally cut interim enclosure wall.
(11) successively the basement earthwork of edge region is excavated.
Soil excavation adopts stage excavation, and stage excavation thickness is 0.5 ~ 0.8m, and every layer of earthwork also will carry out block construction.Because top board is cut and cover tunneling, shoveling velocity ratio is very fast, and corresponding basement open-assembly time is short, therefore the piecemeal of top board position soil is greatly corresponding, and the piecemeal area of top board position soil is 50 ~ 60m
2; The shoveling of the following layer in top board position carries out when top board completes, and belong to tunneling, speed is slow, and for reducing the basement open-assembly time of every block excavation, the piecemeal area of top board following layer soil excavation is relatively little, and piecemeal area is 20 ~ 30m
2, shoveling and the structure construction time of every block can be shortened like this, thus the distortion of space enclosing structure is reduced, when must consider that each piecemeal is cut the earth during underground structure piecemeal, conveniently soil outlet can be had.
Before top board construction, about 150mm place under the first dig on a wide area earthwork to plate, then utilizes clay model to carry out top board structure construction.Adopt clay model construction open cut earth volume little, a large amount of earthwork will be carried out inverse work in the later stage and carry out tunneling, and shoveling efficiency will reduce greatly; Simultaneously because the template system under top board cannot be removed before shoveling, a large amount of templates will because of cannot realizing week then causing waste.For the first floor soil excavation of basement, for taking into account the efficiency of basement distortion and soil excavation, adopt the mode of basin excavation, periphery stays soil, the open cut part earthwork broad in the middle, controls basement distortion on the one hand, increases open cut workload on the other hand thus add unearthed efficiency.For below top board and the excavation of more than base top absolute altitude each layer earthwork, adopt the mode of basin excavation, play the effect controlling basement distortion.During soil excavation following for base top absolute altitude, because base plate thickness is comparatively large, the headroom supporting to shoveling face is comparatively large, and this is unfavorable to the distortion controlling basement.Now take the mode that central island is constructed, after namely in the middle part of basement, base plate acquires a certain degree, the sprout to dig periphery earthwork at a certain distance, and piecemeal waters and smashes sole plate, every block base plate soil excavation is complete to casting and compacting of concrete, must control within 72h.
(12) concrete of basement side wall and edge region basement floor is successively built.
Time larger for edge region span, in order to prevent lattice steel column and basement enclosure wall from occurring excessive relative settlement, interim bridging be set between lattice steel column and basement enclosure wall, coordinate both inhomogeneous deformations.
(13) the basement earthwork of edge region is excavated to basement bottom board absolute altitude place.
(14) edge region basement bottom board is built.
(15) edge region lattice steel column is removed.
(16) interim enclosure wall is removed.
Construction cost of the present invention is low, and the construction period is short.
Detailed description of the invention
Embodiment one
Basement is divided into middle part and edge two regions, central region is circular or oval, and central region area is 450m
2after completing lattice steel column and basement enclosure wall, first construction edge region concrete roof, concrete roof forms annular brace at basement, central region basement of then constructing, and central region basement top arranges circle or oval capping beam, interim enclosure wall is established in capping beam bottom, central region soil excavation adopts stage excavation, treats that at the bottom of central region soil excavation to basement bottom board, basement bottom board is built at absolute altitude position, then successively builds central region structure floor from bottom to up.Carry out construction edge region again after central region basement structure floor slab construction, construction method is from top to bottom carried out in the construction of edge region, and the earthwork of excavation one deck builds concrete of basement side wall and basement floor afterwards at once.
Construction sequence adopts as follows:
(1) construction edge region lattice steel column.
Lattice steel column is inserted after treating Construction of Engineering Pile.The verticality misalignment of axe of lattice steel column controls in ± 10mm, and absolute altitude controls in ± 10mm, and degree control is within 1/300 ~ 1/600.The verticality of lattice steel column is adopted and is utilized leading truck to control.Be placed to aperture and after fixation, align piles position central point carries out laying steel latticework steel column leading truck at reinforcing cage, with the black mark-line adjustment on the centering scale of straightening frame and hard place level ground, steel latticework steel column leading truck center and Zhuan Wei center be consistent.Lay for making steel latticework steel column and can meet the demands, steel latticework steel column leading truck is corrected.The verticality of steel latticework steel column leading truck carries out verticality by two transits and central point controls, and adopts cushion block mode to be corrected when finding deviation.
(2) construction basement enclosure wall.
Basement enclosure wall width is 300 ~ 350mm.
(3) broken ground within basement enclosure wall and reinforced.
Reinforced breaking ground within basement, reinforcing width of being broken ground is 1m, and the degree of depth is 1.5 ~ 2m.
(4) construction edge region concrete roof.
Concrete roof is arranging concrete side bar from basement enclosure wall 700 ~ 900mm position, and concrete edge depth of beam is 500 ~ 700mm.Edge region concrete roof arranges soil outlet, and soil outlet setting space is every 500 ~ 600m
2arrange one.Soil outlet is rectangle, and occur in order to avoid rectangle soil outlet four corners position because stress concentrates destroying, rectangle soil outlet four corners position arranges 3 radial steel reinforcements, and radial steel reinforcement diameter is 25mm.
(5) construction type steel support.
Between basement enclosure wall and concrete side bar, type steel support is set.
(6) the interim enclosure wall of construction central region.
Interim enclosure wall width is 250 ~ 300mm.
(7) construction central region capping beam.
Capping beam height is 600 ~ 800mm, and width is 250 ~ 300mm.
(8) central region basement bottom board is excavated to.
(9) central region concrete of basement base plate is built.
Basement bottom board borders on position pre-embedded steel slab waterstop in central region and edge region, arranges Grouting Pipe at seaming position, until edge region basement bottom board build complete reach intensity after carry out the micro gap of grouting filling seam crossing again.
(10) central region structure floor is successively built.
Central region structure floor and interim enclosure wall join position should locally cut interim enclosure wall.
(11) successively the basement earthwork of edge region is excavated.
Soil excavation adopts stage excavation, and stage excavation thickness is 0.5 ~ 0.8m, and every layer of earthwork also will carry out block construction.The piecemeal area of top board position soil is 50 ~ 60m
2 ;top board position following layer soil piecemeal area is 20 ~ 30m
2, when must consider that each piecemeal is cut the earth during underground structure piecemeal, conveniently soil outlet can be had.
Before top board construction, about 150mm place under the first dig on a wide area earthwork to plate, then utilizes clay model to carry out top board structure construction.For the first floor soil excavation of basement, adopt the mode of basin excavation, periphery stays soil, the open cut part earthwork broad in the middle.For below top board and the excavation of more than base top absolute altitude each layer earthwork, adopt the mode of basin excavation.During soil excavation following for base top absolute altitude, take the mode that central island is constructed, after namely base plate acquires a certain degree in the middle part of basement, the sprout to dig periphery earthwork at a certain distance, and piecemeal waters and smashes sole plate, every block base plate soil excavation is complete to casting and compacting of concrete, must control within 72h.
(12) concrete of basement side wall and edge region basement floor is successively built.
Between lattice steel column and basement enclosure wall, interim bridging is set.
(13) the basement earthwork of edge region is excavated to basement bottom board absolute altitude place.
(14) edge region basement bottom board is built.
(15) edge region lattice steel column is removed.
(16) interim enclosure wall is removed.
From the overall process of basement excavation, maximum soil body deep soil movement is 8mm, and the soil excavation of this engineering is safe and reliable.
Embodiment two
Basement is divided into middle part and edge two regions, central region is circular or oval, and central region area is 410m
2after completing lattice steel column and basement enclosure wall, first construction edge region concrete roof, concrete roof forms annular brace at basement, central region basement of then constructing, and central region basement top arranges circle or oval capping beam, interim enclosure wall is established in capping beam bottom, central region soil excavation adopts stage excavation, treats that at the bottom of central region soil excavation to basement bottom board, basement bottom board is built at absolute altitude position, then successively builds central region structure floor from bottom to up.Carry out construction edge region again after central region basement structure floor slab construction, construction method is from top to bottom carried out in the construction of edge region, and the earthwork of excavation one deck builds concrete of basement side wall and basement floor afterwards at once.
Construction sequence adopts as follows:
(1) construction edge region lattice steel column.
Lattice steel column is inserted after treating Construction of Engineering Pile.The verticality misalignment of axe of lattice steel column controls in ± 10mm, and absolute altitude controls in ± 10mm, and degree control is within 1/300 ~ 1/600.The verticality of lattice steel column utilizes rubber pocket to control.Upwards respectively inclination sensor is installed in length and breadth in lattice steel column upper end, and respectively lays a rubber pocket outside limit, lower end four.Rubber pocket hangs in boring with lattice steel column, and is fixed in stressed good soil layer.Rubber pocket is connected with computer by air inlet pipe, and the terminal of sensor is connected with computer equally.During system cloud gray model, first computer is given by vertical reference by the deflection information of lattice steel column, analyzed by computer program, then the rubber pocket opening incline direction carries out inflating and promotes lattice steel column bottom to movement in vertical direction, after lattice steel column enters the verticality scope of regulation, namely gas check valve stopping inflation being closed in instruction, stops promoting lattice steel column simultaneously.Verticality adjustment in lattice steel column both direction can control simultaneously.Until concrete casting to from below rubber pocket during 1m, i.e. dismountable rubber pocket, and continue placing of concrete to design elevation.
(2) construction basement enclosure wall.
Basement enclosure wall width is 300 ~ 350mm.
(3) broken ground within basement enclosure wall and reinforced.
Reinforced breaking ground within basement, reinforcing width of being broken ground is 1m, and the degree of depth is 1.5 ~ 2m.
(4) construction edge region concrete roof.
Concrete roof is arranging concrete side bar from basement enclosure wall 700 ~ 900mm position, and concrete edge depth of beam is 500 ~ 700mm.Edge region concrete roof arranges soil outlet, and soil outlet setting space is every 500 ~ 600m
2arrange one.Soil outlet is rectangle, and occur in order to avoid rectangle soil outlet four corners position because stress concentrates destroying, rectangle soil outlet four corners position arranges 3 radial steel reinforcements, and radial steel reinforcement diameter is 25mm.
(5) construction type steel support.
Between basement enclosure wall and concrete side bar, type steel support is set.
(6) the interim enclosure wall of construction central region.
Interim enclosure wall width is 250 ~ 300mm.
(7) construction central region capping beam.
Capping beam height is 600 ~ 800mm, and width is 250 ~ 300mm.
(8) central region basement bottom board is excavated to.
(9) central region concrete of basement base plate is built.
Basement bottom board borders on position pre-embedded steel slab waterstop in central region and edge region, arranges Grouting Pipe at seaming position, until edge region basement bottom board build complete reach intensity after carry out the micro gap of grouting filling seam crossing again.
(10) central region structure floor is successively built.
Central region structure floor and interim enclosure wall join position should locally cut interim enclosure wall.
(11) successively the basement earthwork of edge region is excavated.
Soil excavation adopts stage excavation, and stage excavation thickness is 0.5 ~ 0.8m, and every layer of earthwork also will carry out block construction.The piecemeal area of top board position soil is 50 ~ 60m
2; Top board position following layer soil piecemeal area is 20 ~ 30m
2, when must consider that each piecemeal is cut the earth during underground structure piecemeal, conveniently soil outlet can be had.
Before top board construction, about 150mm place under the first dig on a wide area earthwork to plate, then utilizes clay model to carry out top board structure construction.For the first floor soil excavation of basement, adopt the mode of basin excavation, periphery stays soil, the open cut part earthwork broad in the middle.For below top board and the excavation of more than base top absolute altitude each layer earthwork, adopt the mode of basin excavation.During soil excavation following for base top absolute altitude, take the mode that central island is constructed, after namely base plate acquires a certain degree in the middle part of basement, the sprout to dig periphery earthwork at a certain distance, and piecemeal waters and smashes sole plate, every block base plate soil excavation is complete to casting and compacting of concrete, must control within 72h.
(12) concrete of basement side wall and edge region basement floor is successively built.
Between lattice steel column and basement enclosure wall, interim bridging is set.
(13) the basement earthwork of edge region is excavated to basement bottom board absolute altitude place.
(14) edge region basement bottom board is built.
(15) edge region lattice steel column is removed.
(16) interim enclosure wall is removed.
From the overall process of basement excavation, maximum soil body deep soil movement is 11mm, and the soil excavation of this engineering is safe and reliable.
Claims (6)
1. an In Great Basement excavation construction method, is characterized in that basement being divided into middle part and edge two regions, and central region is circular or oval, and central region area is 300 ~ 500m
2after completing lattice steel column and basement enclosure wall, first construction edge region concrete roof, concrete roof forms annular brace at basement, central region basement of then constructing, and central region basement top arranges circle or oval capping beam, interim enclosure wall is established in capping beam bottom, central region soil excavation adopts stage excavation, treats that at the bottom of central region soil excavation to basement bottom board, basement bottom board is built at absolute altitude position, then successively builds central region structure floor from bottom to up; Carry out construction edge region again after central region basement structure floor slab construction, construction method is from top to bottom carried out in the construction of edge region, and the earthwork of excavation one deck builds concrete of basement side wall and basement floor afterwards at once.
2. In Great Basement excavation construction method according to claim 1, is characterized in that construction sequence adopts as follows:
(1) construction edge region lattice steel column;
Lattice steel column is inserted after treating Construction of Engineering Pile; The verticality misalignment of axe of lattice steel column controls in ± 10mm, and absolute altitude controls in ± 10mm, and degree control is within 1/300 ~ 1/600;
(2) construction basement enclosure wall;
Basement enclosure wall width is 300 ~ 350mm;
(3) broken ground within basement enclosure wall and reinforced;
Reinforced breaking ground within basement, reinforcing width of being broken ground is 1m, and the degree of depth is 1.5 ~ 2m;
(4) construction edge region concrete roof;
Concrete roof is arranging concrete side bar from basement enclosure wall 700 ~ 900mm position, and concrete edge depth of beam is 500 ~ 700mm; Edge region concrete roof arranges soil outlet, and soil outlet setting space is every 500 ~ 600m
2arrange one;
(5) construction type steel support;
Between basement enclosure wall and concrete side bar, type steel support is set;
(6) the interim enclosure wall of construction central region;
Interim enclosure wall width is 250 ~ 300mm;
(7) construction central region capping beam;
Capping beam height is 600 ~ 800mm, and width is 250 ~ 300mm;
(8) central region basement bottom board is excavated to;
(9) central region concrete of basement base plate is built;
Basement bottom board borders on position pre-embedded steel slab waterstop in central region and edge region, arranges Grouting Pipe at seaming position, until edge region basement bottom board build complete reach intensity after carry out the micro gap of grouting filling seam crossing again;
(10) central region structure floor is successively built;
Central region structure floor and interim enclosure wall join position should locally cut interim enclosure wall;
(11) successively the basement earthwork of edge region is excavated;
Soil excavation adopts stage excavation, and stage excavation thickness is 0.5 ~ 0.8m, and every layer of earthwork also will carry out block construction; The piecemeal area of top board position soil is 50 ~ 60m
2; Top board position following layer soil piecemeal area is 20 ~ 30m
2, when must consider that each piecemeal is cut the earth during underground structure piecemeal, conveniently soil outlet can be had;
(12) concrete of basement side wall and edge region basement floor is successively built;
Between lattice steel column and basement enclosure wall, interim bridging is set;
(13) the basement earthwork of edge region is excavated to basement bottom board absolute altitude place;
(14) edge region basement bottom board is built;
(15) edge region lattice steel column is removed;
(16) interim enclosure wall is removed.
3. In Great Basement excavation construction method according to claim 1, is characterized in that the verticality of lattice steel column utilizes leading truck to control; Be placed to aperture and after fixation, align piles position central point carries out laying steel latticework steel column leading truck at reinforcing cage, with the black mark-line adjustment on the centering scale of straightening frame and hard place level ground, steel latticework steel column leading truck center and Zhuan Wei center be consistent; Lay for making steel latticework steel column and can meet the demands, steel latticework steel column leading truck is corrected; The verticality of steel latticework steel column leading truck carries out verticality by two transits and central point controls, and adopts cushion block mode to be corrected when finding deviation.
4. In Great Basement excavation construction method according to claim 1, is characterized in that the verticality of lattice steel column utilizes rubber pocket to control; Upwards respectively inclination sensor is installed in length and breadth in lattice steel column upper end, and respectively lays a rubber pocket outside limit, lower end four; Rubber pocket hangs in boring with lattice steel column, and is fixed in stressed good soil layer; Rubber pocket is connected with computer by air inlet pipe, and the terminal of sensor is connected with computer equally; During system cloud gray model, first computer is given by vertical reference by the deflection information of lattice steel column, analyzed by computer program, then the rubber pocket opening incline direction carries out inflating and promotes lattice steel column bottom to movement in vertical direction, after lattice steel column enters the verticality scope of regulation, namely gas check valve stopping inflation being closed in instruction, stops promoting lattice steel column simultaneously; Verticality adjustment in lattice steel column both direction can control simultaneously; Until concrete casting to from below rubber pocket during 1m, i.e. dismountable rubber pocket, and continue placing of concrete to design elevation.
5. In Great Basement excavation construction method according to claim 2, it is characterized in that soil outlet is rectangle, occur in order to avoid rectangle soil outlet four corners position because stress concentrates destroying, rectangle soil outlet four corners position arranges 3 radial steel reinforcements, and radial steel reinforcement diameter is 25mm.
6. In Great Basement excavation construction method according to claim 2, before it is characterized in that top board construction, 150mm place under the first dig on a wide area earthwork to plate, then utilizes clay model to carry out top board structure construction.For the first floor soil excavation of basement, adopt the mode of basin excavation, periphery stays soil, the open cut part earthwork broad in the middle; For below top board and the excavation of more than base top absolute altitude each layer earthwork, adopt the mode of basin excavation.During soil excavation following for base top absolute altitude, take the mode that central island is constructed, after namely base plate acquires a certain degree in the middle part of basement, the sprout to dig periphery earthwork at a certain distance, and piecemeal waters and smashes sole plate, every block base plate soil excavation is complete to casting and compacting of concrete, must control within 72h.
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| CN201510485885.3A CN105064401A (en) | 2015-07-29 | 2015-07-29 | Method for excavating and constructing large-area basement |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013262A (en) * | 2016-05-24 | 2016-10-12 | 李晓平 | Civil engineering and archaeology combined archaeology correlation method in mercury environment |
| CN106760722A (en) * | 2017-02-28 | 2017-05-31 | 南通华荣建设集团有限公司 | Without pile foundation individual layer underground garage anti-floating construction method |
| CN108867835A (en) * | 2018-08-06 | 2018-11-23 | 中国二十冶集团有限公司 | A kind of pond contrary sequence method in restricted clearance |
| CN110499928A (en) * | 2019-07-25 | 2019-11-26 | 广东庆余堂建筑科技有限公司 | The construction method and basement of existing building basement raising chamber height |
| CN112627575A (en) * | 2020-12-17 | 2021-04-09 | 南昌工程学院 | Construction method and equipment for building basement after low clearance in high-fluidity soft soil area |
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| CN103541364A (en) * | 2013-10-10 | 2014-01-29 | 上海申元岩土工程有限公司 | Design and construction method of large area foundation pit deformation control with roundabout method |
| CN104612162A (en) * | 2014-12-15 | 2015-05-13 | 中铁二十局集团第三工程有限公司 | Subway station deep foundation pit excavation construction method |
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| CN1982546A (en) * | 2005-12-12 | 2007-06-20 | 上海市第七建筑有限公司 | Direct local skirt border reversing construction for central island |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013262A (en) * | 2016-05-24 | 2016-10-12 | 李晓平 | Civil engineering and archaeology combined archaeology correlation method in mercury environment |
| CN106760722A (en) * | 2017-02-28 | 2017-05-31 | 南通华荣建设集团有限公司 | Without pile foundation individual layer underground garage anti-floating construction method |
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| CN110499928A (en) * | 2019-07-25 | 2019-11-26 | 广东庆余堂建筑科技有限公司 | The construction method and basement of existing building basement raising chamber height |
| CN112627575A (en) * | 2020-12-17 | 2021-04-09 | 南昌工程学院 | Construction method and equipment for building basement after low clearance in high-fluidity soft soil area |
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Application publication date: 20151118 |