CN106065668B - A kind of construction techniques - Google Patents

A kind of construction techniques Download PDF

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Publication number
CN106065668B
CN106065668B CN201610628330.4A CN201610628330A CN106065668B CN 106065668 B CN106065668 B CN 106065668B CN 201610628330 A CN201610628330 A CN 201610628330A CN 106065668 B CN106065668 B CN 106065668B
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China
Prior art keywords
conversion layer
construction
main building
podium
construction techniques
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CN106065668A (en
Inventor
张登文
王静
李献勇
余辽军
雷少华
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Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/35Extraordinary methods of construction, e.g. lift-slab, jack-block
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/48Foundations inserted underneath existing buildings or constructions

Abstract

The invention discloses a kind of construction techniques, in main building core tube region, conversion layer is set, conversion layer can provide support for main building Core Walls Structure to be onstructed, therefore the construction of the above main building Core Walls Structure of conversion layer can be carried out after increasing conversion layer, without finishing from basement roof to subinverse entirely after podium to being constructed after bottom plate again, it is inserted into the construction of main building Core Walls Structure in advance, and structure construction more than conversion layer is not made the uncontrollable factor in stage and is influenced by basement is inverse, engineering total construction period influences small, therefore in construction techniques provided by the invention, it can ensure that the suitable of main building Core Walls Structure makees the time, guarantee the main building duration.

Description

A kind of construction techniques
Technical field
The present invention relates to the realm of building construction, more particularly to a kind of construction techniques.
Background technique
Foundation pit is first dug, then lid building from bottom to up from level to level, is the high building mode of construction in people's traditional concept.And contrary sequence method Broken the traditional concept of people, it be using the beam of basement, plate, column, exterior wall etc. as construction support construction, will be high-rise Building underground structure is successively constructed from top to down, simultaneously as the completion of basement top surface structure, is created for Superstructure Construction Condition, so the construction of superstructure can also be carried out successively upwards simultaneously.
As domestic super high-rise building is more and more, contrary sequence method is more and more used.In prior art work progress In, main building Core Walls Structure needs to construct again after podium is made to bottom plate from basement roof to subinverse along the construction for making region;And it is right In ultra-deep basement, podium is inverse, and to make the period long, and main building Core Walls Structure is along making time lag, and basement is inverse makees stage uncontrollable factor It is numerous, such as earth excavation and outward transport embargoed factor by weather and authorities, it seriously affects and inverse makees the duration.Basement is inverse to be made The uncertainty of duration is big, and main building duration risk is the problem of more and more construction works " main inverse along group " have to face greatly.
Therefore how to ensure that the suitable of main building Core Walls Structure makees the time, guarantee that the main building duration is that those skilled in the art need at present The technical issues of solution.
Summary of the invention
The object of the present invention is to provide a kind of construction techniques, and the suitable work of main building Core Walls Structure can be ensured using this method Time guarantees the main building duration.
In order to solve the above technical problems, the present invention provides a kind of construction techniques, comprising:
Earth excavation is to underground X layer;
From top to bottom successively against the podium beam slab for making podium basement one to underground X layer;In main building core tube region stake The position borehole of base is to the top of the pile foundation;By the bottom of pile foundation spreading extremely conversion layer to be set in the form of spreading column;
At the top of the spreading column, the conversion layer is set;
Along the main building Core Walls Structure made on the conversion layer, entirety is linked as with the podium beam slab of inverse work;It is inverse to make The podium contignation under the conversion layer is to basement bottom board;
From basement bottom board along the Core Walls Structure made under the conversion layer;
After the conversion layer reaches design strength with flowering structure, the temporary component of the conversion layer is abolished.
Preferably, the inverse podium beam slab made uses short formwork construction.
Preferably, the beam of the conversion layer uses and turns over form.
Preferably, the conversion layer bottom is additionally provided with steel pipe support column.
Preferably, the spreading column is connect by single pile cap with the pile foundation.
Preferably, the conversion layer is arranged to specifically include:
Bed course;Levelling cross girders positioning of going forward side by side;Beam bottom board installs;Beam steel bar colligation;The following beam side of board bottom and plate bed die branch If;The binding of slab muscle;The above beam side closing in plate top;Concreting.
Construction techniques provided by the invention, comprising: earth excavation to underground X layer;It is successively inverse from top to bottom to make skirt Room basement one to underground X layer podium beam slab;Main building core tube region pile foundation position borehole to the top of the pile foundation Portion;By the bottom of pile foundation spreading extremely conversion layer to be set in the form of spreading column;Described in the setting of the top of the spreading column Conversion layer;Along the main building Core Walls Structure made on the conversion layer, entirety is linked as with the podium beam slab of inverse work;It is inverse to make institute The podium contignation under conversion layer is stated to basement bottom board;From basement bottom board along the core made under the conversion layer Heart cylinder;After the conversion layer reaches design strength with flowering structure, the temporary component of the conversion layer is abolished.In main building Core Walls Structure Conversion layer is arranged in region, and conversion layer can provide support for main building Core Walls Structure to be onstructed, therefore after increasing conversion layer i.e. The construction that can carry out the above main building Core Walls Structure of conversion layer, without finishing entirely from basement roof to subinverse to bottom plate to podium It constructs again afterwards, i.e., is inserted into the construction of main building Core Walls Structure in advance, and structure construction more than conversion layer is not made the stage by basement is inverse Uncontrollable factor influence, engineering total construction period influences small, therefore construction techniques provided by the invention, it can be ensured that main building core The suitable of heart cylinder makees the time, guarantees the main building duration.
Detailed description of the invention
Fig. 1 is a kind of process flow chart of specific embodiment of construction techniques provided by the present invention;
Fig. 2 is a kind of a kind of Construction State signal of specific embodiment of construction techniques provided by the present invention Figure;
Fig. 3 is a kind of another Construction State signal of specific embodiment of construction techniques provided by the present invention Figure;
Fig. 4 is the process flow chart that conversion layer is arranged in construction techniques provided by the present invention.
Specific embodiment
Core of the invention is to provide a kind of construction techniques, and the suitable work of main building Core Walls Structure can be ensured using this method Time guarantees the main building duration.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description The present invention is described in further detail.
Fig. 1 to Fig. 3 is please referred to, Fig. 1 is a kind of work of specific embodiment of construction techniques provided by the present invention Skill flow chart;Fig. 2 is a kind of Construction State schematic diagram of specific embodiment of construction techniques provided by the present invention;Figure 3 be a kind of another Construction State schematic diagram of specific embodiment of construction techniques provided by the present invention.
The construction techniques that the specific embodiment of the invention provides, comprising:
S1: earth excavation to underground X layer.
In the construction techniques provided by a specific embodiment of the invention, in building main building and podium region Equal earth excavation, it is assumed that the basement number of plies of podium is N, then 1≤X≤N-1, and X, N are positive integer.
S2:S21: from top to bottom successively against the podium beam slab 1 for making podium basement one to underground X layer;S22: in main building The position borehole of Core Walls Structure pile foundation 2 is to the top of pile foundation 2;S23: by pile foundation 2 with the form spreading of spreading column 3 to conversion layer to be set 4 bottom.
Wherein, the present invention to the sequence of S21 and S22, S23 with no restriction, when construction, can first carry out S21, then carry out S22, S23 can also first carry out S22, S23, then carry out S21, or, S21 is carried out simultaneously with S22, S23, in the present invention Protection scope within.
Pile foundation 2 is to be located in the ground the pile foundation as integrated support when constructing at initial stage, and there are many pile foundations 2, is specifically as follows Drilled pile, drilled pile are mechanical hole building, and wherein dispose steel reinforcement cage, concrete perfusion and the stake that is made into;In main building core The position borehole of pile foundation 2 exposes pile foundation 2, so that by its spreading, there are many mode, tools for borehole to 2 top of pile foundation in cylinder region Body can use manually digging hole, and manually digging hole is easy for construction, does not need heavy mechanical equipment;Manually digging hole diameter can be 2.2 Rice can arrange each pile foundation 2 to excavate with every group of four people to guarantee the duration, specifically two people can be arranged in aperture and hang soil, Two people excavate in bottom hole, and construction worker can hang safety rope disengaging by soft ladder and body.
S3: conversion layer 4 is set at the top of spreading column 3.
Conversion layer 4 is located at main building core tube region, and effect is to provide support for main building Core Walls Structure to be onstructed, wherein The height of conversion layer 4 can be between X layers to X+1 layers of podium basement, specifically can be with X+1 layers of height of podium basement Unanimously, underground X+1 layers at this moment can be excavated to slope before conversion layer 4 is set.
In the construction techniques provided by a specific embodiment of the invention, spreading column 3 is that conversion layer 4 provides vertically The supporting role in direction guarantees construction safety, is also provided with use in the bottom of conversion layer 4 to increase the intensity of conversion layer 4 In the steel pipe support column of support conversion layer 4, multiple steel pipe support columns can be uniformly arranged around 4 periphery of conversion layer, to reach more Support effect well.
In addition, spreading column 3 can also be connect by single pile cap with pile foundation 2, structural stability can be increased in this way.Single pile Cushion cap can be poured with spreading column 3 using oblique tumbling barrel segmentation is installed, and tumbling barrel can use pvc pipe, often poured a tumbling barrel and above mentioned, It finally will topmost remove a section tumbling barrel, then be poured;As found, concrete can not be poured in place in casting process, and be tapped Template finds large area cavity, should stop concreting immediately, and form removal as early as possible, removes casting concrete, is used in combination Water rinses the concrete on reinforcing bar, guarantees reinforcing bar cleaning, unaffected.
In the construction techniques provided by a specific embodiment of the invention, conversion layer 4 can by Tr ansfer girder with Knee wall connection, to realize the horizontally-supported of conversion layer 4.
S4: along the main building Core Walls Structure made on conversion layer 4, entirety is linked as with the podium beam slab 1 of inverse work;It is inverse to convert 1 structure of podium beam slab under layer 4 is to basement bottom board.
S5: from basement bottom board along the Core Walls Structure made under conversion layer 4;
S6: after layer 4 to be converted reaches design strength with flowering structure, the temporary component of conversion layer 4 is abolished.
In main building core tube region, conversion layer 4 is set, conversion layer 4 can provide support for main building Core Walls Structure to be onstructed, Therefore the construction of 4 or more main building Core Walls Structure of conversion layer can be carried out after increasing conversion layer 4, without to podium from underground Ceiling plate is finished being inserted into the construction of main building Core Walls Structure, and the knot of 4 or more conversion layer in advance to constructing again after bottom plate entirely to subinverse Structure construction is not made the uncontrollable factor in stage and is influenced by basement is inverse, and engineering total construction period influences small, therefore provided by the invention builds Build construction method, it can be ensured that the suitable of main building Core Walls Structure makees the time, guarantees the main building duration.
In addition, due to the setting of conversion layer 4, so that " along the main building Core Walls Structure made on conversion layer 4 " and " inverse to make conversion layer 1 structure of podium beam slab under 4 is to basement bottom board " it can carry out simultaneously, increasing conversion layer 4 may be implemented 4 or more conversion layer Structure is suitable to construct, while conversion layer 4 is realized and constructed while 4 up-down structure of conversion layer with the downward adverse construction method of flowering structure, Therefore speed of application can be improved, save the construction time, meet construction period.
In the construction techniques provided by a specific embodiment of the invention, X can be applied 1 to basis between N-1 Work situation is specifically adjusted, and X is smaller, i.e., the inverse podium underground number of plies of making is fewer before conversion layer 4 is arranged, and is guaranteeing spreading column 3 Under the premise of stabilization, then it more early can construct into the suitable of main building Core Walls Structure, it is more to save the time.
With five layers of basement structure of podium, conversion layer 4 is located in the ground for three layers of height, in construction, can be excavated The earthwork is to two layers of underground, then successively against the podium beam slab 1 for making two layers of podium basement one and underground, and in main building Core Walls Structure area The position manually digging hole of domain pile foundation 2 is to the top of pile foundation 2, by 2 spreading of pile foundation to the bottom of conversion layer 4;It can be opened later with slope It digs to F3/B3;Then the construction of conversion layer 4 is carried out;It is suitable to make on conversion layer 4 after layer 4 to be converted reaches sufficient intensity Main building Core Walls Structure, and the podium beam slab 1 of itself and inverse work is made to be linked as entirety.Conversion layer 4 is arranged two layers of underground, in inverse work two After layer podium beam slab 1, so that it may be inserted into the construction of main building Core Walls Structure, therefore reduce total construction period.
The temporary component of conversion layer 4 specifically includes spreading column 3, contignation different compared with permanent structure on conversion layer 4 etc..
In the construction techniques provided by a specific embodiment of the invention, there are many sides for the inverse podium beam slab 1 made Method may be implemented, and specifically, can use short formwork construction, the upright bar height of short formwork is small, sets up simple and efficient, earth excavation Convenient, concrete formation effect is good, can accelerate speed of application.
When conversion layer 4 is constructed, the beam of conversion layer 4 can be higher than beam slab using the form that turns over, the i.e. height of back, in this way Facilitate the later period of 4 temporary component of conversion layer to cut, abolishes the upper part that position is whole beam slabs.
Referring to FIG. 4, Fig. 4 is the process flow chart that conversion layer is arranged in construction techniques provided by the present invention.
On the basis of above-mentioned each specific embodiment, construction side provided by a specific embodiment of the invention Method, " setting conversion layer 4 " specifically includes in S3:
S31: bed course;
S32: levelling cross girders positioning of going forward side by side;
S33: beam bottom board installs;
S34: beam steel bar colligation;
S35: the following beam side of board bottom and plate bed die install;
S36: slab muscle binding;
S37: the above beam side closing in plate top;
S38: concreting.
Wherein, bed course is the middle layer between foundation soil and reinforced concrete foundation, and effect is to make its surfacing, is convenient for Positioning and in assembling reinforcement above etc., while also can play protection basis effect.
Construction techniques provided by the present invention is described in detail above.Specific case pair used herein The principle of the present invention and embodiment are expounded, method of the invention that the above embodiments are only used to help understand And its core concept.It should be pointed out that for those skilled in the art, before not departing from the principle of the invention It puts, can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the guarantor of the claims in the present invention It protects in range.

Claims (6)

1. a kind of construction techniques characterized by comprising
Earth excavation is to underground X layer;
From top to bottom successively against the podium beam slab for making podium basement one to underground X layer;In main building core tube region pile foundation Position borehole is to the top of the pile foundation;By the bottom of pile foundation spreading extremely conversion layer to be set in the form of spreading column;
At the top of the spreading column, the conversion layer is set;
Along the main building Core Walls Structure made on the conversion layer, entirety is linked as with the podium beam slab of inverse work;Described in inverse work The podium contignation under conversion layer is to basement bottom board;
From basement bottom board along the main building Core Walls Structure made under the conversion layer;
After the conversion layer reaches design strength with flowering structure, the temporary component of the conversion layer is abolished.
2. construction techniques according to claim 1, which is characterized in that the inverse podium beam slab made uses short formwork Construction.
3. construction techniques according to claim 2, which is characterized in that the beam of the conversion layer uses and turns over form.
4. construction techniques according to claim 1, which is characterized in that the conversion layer bottom is additionally provided with steel pipe support Column.
5. construction techniques according to claim 4, which is characterized in that the spreading column by single pile cap with it is described Pile foundation connection.
6. according to claim 1 to construction techniques described in 5 any one, which is characterized in that the conversion layer tool is arranged Body includes:
Bed course;Levelling cross girders positioning of going forward side by side;Beam bottom board installs;Beam steel bar colligation;The following beam side of board bottom and plate bed die install;Plate Reinforcing bar binding;The above beam side closing in plate top;Concreting.
CN201610628330.4A 2016-08-01 2016-08-01 A kind of construction techniques Active CN106065668B (en)

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CN106065668B true CN106065668B (en) 2019-03-19

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988412A (en) * 2017-04-01 2017-07-28 浙江省东阳第三建筑工程有限公司 A kind of Box-transfer storey Rotating fields top-down construction method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH059981A (en) * 1991-01-28 1993-01-19 Shimizu Corp Construction of building
JPH10331272A (en) * 1997-06-03 1998-12-15 Kajima Corp Construction method of building frame constituted of reinforced concrete column, core wall, uppermost wall beam, and slab
CN1804255A (en) * 2005-12-16 2006-07-19 张国梁 Reversed construction method for building
CN101736757A (en) * 2009-12-04 2010-06-16 上海市第二建筑有限公司 Two-way synchronous construction method of tube structure of high-rise building
CN101906820A (en) * 2010-07-29 2010-12-08 中建三局建设工程股份有限公司 System capable of constructing in vertical structure and horizontal structure simultaneously in core tube
CN201679147U (en) * 2009-12-04 2010-12-22 上海市第二建筑有限公司 Underpinning structure for superstructure shear wall during underground top-down construction of high-rise building

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH059981A (en) * 1991-01-28 1993-01-19 Shimizu Corp Construction of building
JPH10331272A (en) * 1997-06-03 1998-12-15 Kajima Corp Construction method of building frame constituted of reinforced concrete column, core wall, uppermost wall beam, and slab
CN1804255A (en) * 2005-12-16 2006-07-19 张国梁 Reversed construction method for building
CN101736757A (en) * 2009-12-04 2010-06-16 上海市第二建筑有限公司 Two-way synchronous construction method of tube structure of high-rise building
CN201679147U (en) * 2009-12-04 2010-12-22 上海市第二建筑有限公司 Underpinning structure for superstructure shear wall during underground top-down construction of high-rise building
CN101906820A (en) * 2010-07-29 2010-12-08 中建三局建设工程股份有限公司 System capable of constructing in vertical structure and horizontal structure simultaneously in core tube

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