CN102383433A - Design method for large deep foundation pit of super high-rise building - Google Patents

Design method for large deep foundation pit of super high-rise building Download PDF

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Publication number
CN102383433A
CN102383433A CN2011102419995A CN201110241999A CN102383433A CN 102383433 A CN102383433 A CN 102383433A CN 2011102419995 A CN2011102419995 A CN 2011102419995A CN 201110241999 A CN201110241999 A CN 201110241999A CN 102383433 A CN102383433 A CN 102383433A
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CN
China
Prior art keywords
district
building
construction
foundation pit
podium
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CN2011102419995A
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Chinese (zh)
Inventor
贾坚
谢小林
翟杰群
张羽
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同济大学建筑设计研究院(集团)有限公司
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Priority to CN2011102419995A priority Critical patent/CN102383433A/en
Publication of CN102383433A publication Critical patent/CN102383433A/en

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Abstract

The invention provides a design method for a large deep foundation pit of a super high-rise building, which comprises the following steps of: dividing the large deep foundation pit of the super high-rise building into a tower community foundation pit and a podium community foundation pit; carrying out construction on envelope enclosures of a pile foundation and the foundation pit of the tower community foundation pit; carrying out down-top construction on the tower community foundation pit; carrying out construction on envelope enclosures of a pile foundation and the foundation pit of the podium community foundation pit; and after building a tower structure to finish a top plate of a basement, carrying out top-down construction on the podium community foundation pit. According to the design method for the large deep foundation pit of the super high-rise building which is provided by the invention, the construction period of the super high-rise building is accelerated by using coordinative designed construction of the tower community foundation pit and the podium community foundation pit, so that the whole construction period is positioned at an optimal time value; and meanwhile, the problem of insufficient construction site is solved and the influence of foundation pit construction on a surrounding environment is reduced.

Description

A kind of method for designing of super highrise building deep big foundation pit

Technical field

The present invention relates to the underground construction design field, relate in particular to a kind of method for designing of super highrise building deep big foundation pit.

Background technology

Along with the continuous development of urban construction, various types of underground constructions, deep-foundation pit engineering are more and more, and the construction method of deep foundation ditch of efficient, economy, energy-saving and environmental protection seems particularly important.At present, traditional construction method of deep foundation ditch is open type construction, and its method is to go along with sb. to guard him the back vertical cut or excavate with putting the slope greatly with supporting and protection structure.Dig to design elevation after-pouring steel bar concrete base plate, the basement structure of from bottom to top successively constructing is again treated to carry out the superstructure construction again after underground structure is accomplished, and this job practices is along practice construction.Opposite with suitable practice construction is contrary sequence method (Top-down method) construction; After space enclosing structure and engineering piles and stand column pile completion; Directly the construction underground structure top board; And then successively carry out the shoveling of each layer of below ground successively downwards, and successively carry out the construction of each layer basement floor downwards, all accomplish the excavation that just carries out lower floor's earthwork after this floor plate construction at every turn.

For the work items that comprises high building and multilayer podium in the super highrise building, high building district foundation ditch and podium district foundation ditch carry out along practice construction usually simultaneously, yet because high building district floor is a lot; The shared duration is long partially, accomplishes in the podium district when binding, and the high building district accomplishes also poor quite a lot of a period of time from construction; High building district and podium district are accomplished around; Prolonged the time of completion of whole construction project, in addition, high building district foundation ditch and podium district foundation ditch carry out causing the construction plant not enough along practice construction simultaneously; And the sedimentation relatively more easily of foundation ditch periphery, environment pollutions such as construction noise and airborne dust are serious; In addition, also have the part engineering to adopt and earlier the podium district carried out reverse construction, however the high building district duration that construction consumes in later stage delayed whole time of completion, make this foundation ditch design scheme also have drawback.

Summary of the invention

Technical problem to be solved by this invention has provided a kind of method for designing of super highrise building deep big foundation pit, how to plan as a whole to design the foundation ditch construction of high building district and the foundation ditch construction of podium district makes whole construction period be in best problem to solve.

In order to solve the problems of the technologies described above, technical scheme of the present invention is: the super highrise building deep big foundation pit is divided into high building district foundation ditch and podium district foundation ditch; Said high building district foundation ditch is carried out pile foundation and foundation pit enclosure structure construction; Said high building district foundation ditch is carried out suitable the construction, and said podium district foundation ditch is carried out pile foundation and foundation pit enclosure structure construction; Treat the high building structure return build accomplish basement roof after, said podium district foundation ditch is carried out adverse construction method.

Further, when said podium district foundation ditch carries out adverse construction method, utilize of the support of the structural beams plate body system of big rigidity as said podium district foundation ditch.

Further, when said podium district foundation ditch was carried out adverse construction method, said high building structure was carried out the above construction in ground.

Further, return to build in the high building structure and said podium district foundation ditch is carried out adverse construction method after accomplishing basement roof, said each floor plate of high building structure basement is docked with each floor plate of basement in said podium district.。

Further, the superstructure number of plies in said high building district is more than or equal to 50 layers.

Further, the superstructure number of plies in said podium district is less than or equal to 8 layers.

The method for designing of super highrise building deep big foundation pit provided by the invention and since the duration that the high building district builds than podium district build long in time limit, therefore; Earlier high building district foundation ditch is carried out along constructing; Can guarantee that high building binds as early as possible, plan as a whole the high building district foundation ditch of design and build and the construction of podium district foundation ditch, make whole construction period be in a best time value; Simultaneously; When high building district foundation ditch is carried out operation, can utilize the podium district that does not begin as yet to construct as the construction plant, the problem that the construction plant that possibly run into when having solved high building district excavation of foundation pit is not enough; Treat the high building structure return build accomplish basement roof after, said podium district foundation ditch is carried out adverse construction method, to reduce high building district and the interval of podium district deadline; Thereby make the time of accomplishing the duration plan as a whole to reach best, in addition, the podium district carries out adverse construction method; The top board in podium district that can utilize completion is as the construction plant in high building district and podium district; Simultaneously, podium district foundation ditch adverse construction method can reduce construction noise, airborne dust etc., to avoid that explosion takes place when making in the construction supporting removal; Reduced the influence of engineering construction, fully implemented the requirement of green building technology surrounding enviroment.

Further, when said podium district foundation ditch carries out adverse construction method, utilize of the support of the structural beams plate body system of big rigidity, help controlling the safety and stability of foundation pit enclosure structure structure as said podium district foundation ditch, thus the better protect surrounding enviroment.

Further, return to build in the high building structure and said podium district foundation ditch is carried out adverse construction method after accomplishing basement roof, said each floor plate of high building structure basement is docked with each floor plate of basement in said podium district., so that the structure level force transfer system is continuous between the zones of different, to guarantee the stable of whole building structure.

Description of drawings

Fig. 1 is the flow chart of steps of the method for designing of the super highrise building deep big foundation pit that provides of the embodiment of the invention;

Fig. 2 A~2D is a corresponding cross-sectional view in the method for designing of the super highrise building deep big foundation pit that provides of the embodiment of the invention.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the method for designing of the super highrise building deep big foundation pit of the present invention's proposition is done further explain.According to following explanation and claims, advantage of the present invention and characteristic will be clearer.What need explanation is, accompanying drawing all adopts the form of simplifying very much and all uses non-ratio accurately, only is used for conveniently, the purpose of the aid illustration embodiment of the invention lucidly.

Core concept of the present invention is, a kind of method for designing of super highrise building deep big foundation pit is provided and since the duration that the high building district builds than podium district build long in time limit; Therefore, earlier high building district foundation ditch is carried out can guaranteeing that along constructing high building binds as early as possible; Planning as a whole the high building district foundation ditch of design builds and the construction of podium district foundation ditch; Make whole construction period be in a best time value, simultaneously, when high building district foundation ditch is carried out operation; Can utilize the podium district that does not begin as yet to construct as the construction plant, the problem that the construction plant that possibly run into when having solved high building district excavation of foundation pit is not enough; Treat the high building structure return build accomplish basement roof after, said podium district foundation ditch is carried out adverse construction method, to reduce high building district and the interval of podium district deadline; Thereby make the time of accomplishing the duration plan as a whole to reach best, in addition, the podium district carries out adverse construction method; The top board in podium district that can utilize completion is as the construction plant in high building district and podium district; Simultaneously, podium district foundation ditch adverse construction method can reduce construction noise, airborne dust etc., to avoid that explosion takes place when making in the construction supporting removal; Reduced the influence of engineering construction, fully implemented the requirement of green building technology surrounding enviroment.

Fig. 1 is the flow chart of steps of the method for designing of the super highrise building deep big foundation pit that provides of the embodiment of the invention.With reference to Fig. 1, the embodiment of the invention provides a kind of method for designing of super highrise building deep big foundation pit, comprises the steps:

S11, the super highrise building deep big foundation pit is divided into high building district foundation ditch and podium district foundation ditch;

S12, said high building district foundation ditch is carried out the construction of pile foundation and foundation pit enclosure structure;

S13, said high building district foundation ditch is carried out along constructing, and said podium district foundation ditch is carried out pile foundation and foundation pit enclosure structure is constructed;

S14, treat the high building structure return build accomplish basement roof after, said podium district foundation ditch is carried out adverse construction method.

To combine generalized section being described in more detail below to the method for designing of the super highrise building deep big foundation pit of the embodiment of the invention.

Shown in Fig. 2 A; And integrating step S12; After carrying out step S11, said high building district foundation ditch 21 is carried out pile foundation and foundation pit enclosure structure construction, make and in high building district foundation ditch 21, form high building district's pile foundation 23 and high building district foundation pit enclosure structure 24; At this moment, podium district foundation ditch 22 is constructed.

Shown in Fig. 2 B, 2C; And integrating step S13; Said high building district foundation ditch 21 is carried out along constructing; The inwall of foundation ditch 21 is provided with a plurality of supports 25 along the high building district in along the process of doing construction, and carry out pile foundation and foundation pit enclosure structure construction to said podium district foundation ditch 22 this moment, makes and in podium district foundation ditch, forms podium district's pile foundation 26 and podium district foundation pit enclosure structure 27.Said high building district foundation ditch 21 carries out building construction along returning as basement structure, forms high building district each floor plate 28 of basement.

Shown in Fig. 2 D, and integrating step S14, treat the high building structure return build accomplish basement roof 28 ' after; Said podium district foundation ditch 22 is carried out adverse construction method; And, said high building district each floor plate 28 of basement dock with each floor plate 29 of basement in said podium district successively in the process that subinverse is done, high building district high building structure carries out constructing more than the ground in the time of podium district foundation ditch 22 adverse construction methods; Arrow is that high building district high building structure is carried out the direction of constructing more than the ground shown in Fig. 2 d; Also carry out the above construction in ground after foundation ditch 22 operations of podium district are accomplished, when said podium district foundation ditch 22 carries out adverse construction method, utilize of the support of the structural beams plate body system of big rigidity as said podium district foundation ditch 22; Help controlling the safety and stability of foundation pit enclosure structure structure, thus the better protect surrounding enviroment.

Particularly; Return to build in the high building structure and accomplish basement roof 28 ' back said podium district foundation ditch 22 is carried out adverse construction method; Said basement roof 28 ' is docked with the top board 29 ' in said podium district; So that the structure level force transfer system between the zones of different is continuous, to guarantee the stable of whole building structure.

Further, the superstructure number of plies in said high building district is more than or equal to 50 layers, and the superstructure number of plies in said podium district is less than or equal to 8 layers.In the present embodiment; The building height in said high building district is 600 meters, and the building height in podium district is 24 meters, according to the building storey in high building district and podium district; And, plan as a whole to design foundation ditch construction of high building district and the foundation ditch construction of podium district according to the foundation depth and the area of the excavation of needs separately.

The embodiment of the invention is planned as a whole the high building district foundation ditch 21 of design and is built and 22 construction of podium district foundation ditch, and said high building district 21 on-stream times of foundation ditch and high building top out time of completion in advance, thereby shorten total duration of engineering.Make whole construction period be in a best time value.

Obviously, those skilled in the art can carry out various changes and modification to invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.

Claims (6)

1. the method for designing of a super highrise building deep big foundation pit is divided into high building district foundation ditch and podium district foundation ditch with the super highrise building deep big foundation pit, it is characterized in that the method for designing of said super highrise building deep big foundation pit comprises:
The super highrise building deep big foundation pit is divided into high building district foundation ditch and podium district foundation ditch;
Said high building district foundation ditch is carried out pile foundation and foundation pit enclosure structure construction;
Said high building district foundation ditch is carried out suitable the construction, and said podium district foundation ditch is carried out pile foundation and foundation pit enclosure structure construction;
Treat the high building structure return build accomplish basement roof after, said podium district foundation ditch is carried out adverse construction method.
2. the method for designing of super highrise building deep big foundation pit according to claim 1 is characterized in that, when said podium district foundation ditch carries out adverse construction method, utilizes the support of the structural beams plate body system of big rigidity as said podium district foundation ditch.
3. the method for designing of super highrise building deep big foundation pit according to claim 1 is characterized in that, when said podium district foundation ditch was carried out adverse construction method, said high building structure was carried out the above construction in ground.
4. the method for designing of super highrise building deep big foundation pit according to claim 1; It is characterized in that; Return to build in the high building structure and said podium district foundation ditch is carried out adverse construction method after accomplishing basement roof, said each floor plate of high building structure basement is docked with each floor plate of basement in said podium district.
5. according to the method for designing of each super highrise building deep big foundation pit in the claim 1 to 4, it is characterized in that the superstructure number of plies in said high building district is more than or equal to 50 layers.
6. according to the method for designing of each super highrise building deep big foundation pit in the claim 1 to 4, it is characterized in that the superstructure number of plies in said podium district is less than or equal to 8 layers.
CN2011102419995A 2011-08-22 2011-08-22 Design method for large deep foundation pit of super high-rise building CN102383433A (en)

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN102839673A (en) * 2012-09-19 2012-12-26 白福波 Design method of side wall depth of foundation pit
CN103195068A (en) * 2013-04-03 2013-07-10 哈尔滨工业大学 Method for determining foundation pit excavation depths through rock and soil constitutive broken lines
CN103711128A (en) * 2013-12-31 2014-04-09 上海建工七建集团有限公司 Construction method for shallow foundation structural beam slab
CN104514228A (en) * 2013-09-29 2015-04-15 浙江宝业建设集团有限公司 Large-chassis multi-tower building construction method and structure
CN104594358A (en) * 2015-01-07 2015-05-06 江苏中南建筑产业集团有限责任公司 Sequential construction and reversed construction Clockwise and counter-clockwise combined construction method of irregular planar deep foundation pit
CN105113514A (en) * 2015-08-31 2015-12-02 广东省建筑设计研究院 Foundation pit enclosure system using underground diaphragm wall as vertical cantilever supporting point and construction method
CN104878763B (en) * 2015-05-29 2016-08-24 朱奎 Main building basement supporting construction with annex

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102839673A (en) * 2012-09-19 2012-12-26 白福波 Design method of side wall depth of foundation pit
CN102839673B (en) * 2012-09-19 2014-10-15 白福波 Design method of side wall depth of foundation pit
CN103195068A (en) * 2013-04-03 2013-07-10 哈尔滨工业大学 Method for determining foundation pit excavation depths through rock and soil constitutive broken lines
CN103195068B (en) * 2013-04-03 2015-05-13 哈尔滨工业大学 Method for determining foundation pit excavation depths through rock and soil constitutive broken lines
CN104514228A (en) * 2013-09-29 2015-04-15 浙江宝业建设集团有限公司 Large-chassis multi-tower building construction method and structure
CN103711128A (en) * 2013-12-31 2014-04-09 上海建工七建集团有限公司 Construction method for shallow foundation structural beam slab
CN104594358A (en) * 2015-01-07 2015-05-06 江苏中南建筑产业集团有限责任公司 Sequential construction and reversed construction Clockwise and counter-clockwise combined construction method of irregular planar deep foundation pit
CN104594358B (en) * 2015-01-07 2017-01-18 江苏中南建筑产业集团有限责任公司 Sequential construction and reversed construction Clockwise and counter-clockwise combined construction method of irregular planar deep foundation pit
CN104878763B (en) * 2015-05-29 2016-08-24 朱奎 Main building basement supporting construction with annex
CN105113514A (en) * 2015-08-31 2015-12-02 广东省建筑设计研究院 Foundation pit enclosure system using underground diaphragm wall as vertical cantilever supporting point and construction method
CN105113514B (en) * 2015-08-31 2017-01-04 广东省建筑设计研究院 Using diaphram wall as the foundation pit system of vertical cantilever fulcrum and construction method

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Application publication date: 20120321