CN112962659A - Construction elevator foundation and construction method of construction elevator - Google Patents

Construction elevator foundation and construction method of construction elevator Download PDF

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Publication number
CN112962659A
CN112962659A CN202110166912.6A CN202110166912A CN112962659A CN 112962659 A CN112962659 A CN 112962659A CN 202110166912 A CN202110166912 A CN 202110166912A CN 112962659 A CN112962659 A CN 112962659A
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China
Prior art keywords
retaining wall
construction
construction elevator
foundation
layer structure
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Pending
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CN202110166912.6A
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Chinese (zh)
Inventor
杨赵停
赵昇
王明玮
邹梦根
柳俊
彭金花
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Shanghai Construction No 2 Group Co Ltd
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Shanghai Construction No 2 Group Co Ltd
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Priority to CN202110166912.6A priority Critical patent/CN112962659A/en
Publication of CN112962659A publication Critical patent/CN112962659A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/44—Foundations for machines, engines or ordnance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The invention relates to a construction elevator foundation and a construction method of a construction elevator. The construction method of the construction elevator foundation comprises the following steps: positioning an outer edge line of the standard layer structure; constructing a retaining wall on the top plate of the basement according to the outer side line; the elevation of the retaining wall is equal to the elevation of the first-layer structure; and forming a construction elevator foundation on the retaining wall. According to the construction method of the construction elevator foundation and the construction method of the construction elevator, the construction elevator foundation is constructed on the retaining wall according to the outer edge line of the standard layer structure and the outer edge line of the first layer structure through the arrangement of the retaining wall, so that potential safety hazards caused by overlarge distance between the outer edge line of the standard layer structure and the outer edge line of the first layer structure are avoided, the potential safety hazards are reduced, and the safety protection cost can be reduced.

Description

Construction elevator foundation and construction method of construction elevator
Technical Field
The invention relates to the technical field of construction elevators, in particular to a construction method of a construction elevator foundation and a construction method of a construction elevator.
Background
Generally, the foundation construction of the construction elevator mainly adopts two modes, wherein the first mode is that the foundation construction is installed on the upper part of a roof structure of a basement, and the second mode is that the foundation construction is installed on the upper part of backfill soil of a lateral pit on the outer side of a building. However, when the outer edge line of the first floor structure of the building and the outer edge line of the standard floor structure are not on the same vertical plane and protrude out of the outer edge line of the standard floor structure, if the construction elevator foundation is positioned on the top plate of the basement according to the outer edge line of the first floor structure of the building, when the construction elevator car door is lifted to the standard floor, the car door of the construction elevator cannot be tightly attached to the outer edge line of the standard floor structure, so that the distance between the car door and the outer edge line of the structure is too large, corresponding safety protection measures are required to be added, and potential safety protection.
Disclosure of Invention
In view of the above, it is necessary to provide a construction method of a foundation of a construction elevator and a construction method of a construction elevator, aiming at the problems of reducing potential safety hazards and reducing safety protection cost.
A construction method for constructing a foundation of an elevator, comprising the steps of:
positioning an outer edge line of the standard layer structure;
constructing a retaining wall on the top plate of the basement according to the outer side line; the elevation of the retaining wall is equal to the elevation of the first-layer structure;
and forming a construction elevator foundation on the retaining wall.
In one embodiment, after the step of constructing the retaining wall on the top plate of the basement according to the outer side line and before the step of forming the foundation of the construction elevator on the retaining wall, the method further comprises the following steps: and backfilling earthwork among the basement top plate, the retaining wall and the outer side line of the first-layer structure.
In one embodiment, the backfill earth has a compaction factor greater than 0.94.
In one embodiment, the thickness of the retaining wall is the same as the thickness of the construction elevator foundation.
In one embodiment, in the step of constructing the retaining wall on the top plate of the basement according to the outer side line: constructing a retaining wall on the top plate of the basement according to the outer side line; a plurality of toes are arranged in a circumferential direction of the retaining wall.
In one embodiment, the step of positioning the outer edge line of the standard layer structure comprises: and positioning the outer edge line according to the outer edge line of the first layer structure and the outer edge surface of the standard layer structure.
In one embodiment, the steel bars of the construction elevator foundation are arranged in a double-layer bidirectional mode.
A construction method of a construction hoist, comprising the steps of:
positioning an outer edge line of the standard layer structure;
constructing a retaining wall on the top plate of the basement according to the outer side line;
forming a construction elevator foundation on the retaining wall;
and constructing a ladder cage on the basis of the construction elevator, wherein the distance between the ladder-controlled car door and the outer edge line is less than a preset value.
In one embodiment, the predetermined value is 10 centimeters.
The construction method of the construction elevator foundation and the construction method of the construction elevator are characterized in that the outer edge line of the standard layer structure is positioned firstly, the retaining wall is constructed on the top plate of the basement according to the outer edge line, the construction elevator foundation is formed on the retaining wall, the elevation of the retaining wall is equal to the elevation of the first layer structure, and through the arrangement of the retaining wall, the construction elevator foundation is constructed on the retaining wall according to the outer edge line of the standard layer structure and the outer edge line of the first layer structure, so that the potential safety hazard caused by the overlarge distance between the outer edge line of the standard layer structure and the outer edge line of the first layer structure is avoided, the potential safety hazard is reduced, and the safety protection cost can be reduced.
Drawings
FIG. 1 is a schematic structural view of a construction elevator foundation according to an embodiment after completion of construction;
fig. 2 is a cross-sectional view a-a shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The construction method of the construction elevator foundation is used in the construction process of high-rise buildings, and is particularly suitable for the construction process of buildings of which the outer side line of the first-floor structure and the outer side line of the standard-floor structure are not in the same vertical plane and protrude out of the outer side line of the standard-floor structure. Specifically, referring to fig. 1 and 2 in combination, a construction method of a construction elevator foundation according to an embodiment includes the following steps:
s10: the outer border line of the standard layer structure is located.
Specifically, the outer edge line of the standard layer structure is positioned. Wherein, the outer edge line L of the first layer structure can be usedaAnd an outer side face of the standard layer structure, a positioning outer side line Lb. I.e. the outer edge line L of the standard layer structurebWith the outer edge line L of the first layer structureaParallel and standard layer structure outer boundary line LbAnd is located on the same plane with the outer side surface.
S20: and constructing a retaining wall on the top plate of the basement according to the outer side line.
Wherein, the elevation of retaining wall equals with the elevation of first floor structure. Specifically, the outer edge line L of the standard layer structure obtained in step S10bA retaining wall 120 is constructed on the basement ceiling 110. Wherein, the elevation of retaining wall 120 equals with the elevation of first floor structure, that is to say, retaining wall 120 is under construction to the structural plane of first floor structure, and retaining wall 120's height is confirmed according to the difference in height of basement roof 110 and first floor structure promptly. The retaining wall 120 may be formed by arranging reinforcing bars in the vertical and horizontal directions and then pouring concrete.
In one embodiment, the outer boundary line L of the standard layer structure obtained in step S10bConstructing a retaining wall 120 on the basement top plate 110; and a plurality of toes 130 are arranged in the circumferential direction of the retaining wall 120. In other words, the wall toes 130 are arranged along the retaining wall 120One turn, thereby increasing the strength of the retaining wall 120. Further, the thickness of the retaining wall 120, the size of the toe 130, and the reinforcement size are determined by calculation based on the upper maximum load.
S30: and forming a construction elevator foundation on the retaining wall.
Specifically, the construction elevator base 140 is constructed on the retaining wall 120, and since the elevation of the retaining wall is equal to the elevation of the first story structure as can be seen from the above step S20, the construction elevator base 140 is connected to the first story structure. Referring again to fig. 2, the construction elevator foundation 140 connects the retaining wall 120 and the first story structure. In one embodiment, the thickness of the retaining wall 120 is the same as the thickness of the construction elevator base 140. That is, the thickness of the retaining wall 120 is the same as the height of the construction elevator base 140.
In one embodiment, the reinforcement of the construction elevator base 140 is disposed in a double-layer bidirectional manner, thereby ensuring the strength of the construction elevator base 140.
The construction method of the construction elevator foundation and the construction method of the construction elevator are characterized in that the outer edge line of the standard layer structure is positioned firstly, the retaining wall is constructed on the top plate of the basement according to the outer edge line, the construction elevator foundation is formed on the retaining wall, the elevation of the retaining wall is equal to the elevation of the first layer structure, and through the arrangement of the retaining wall, the construction elevator foundation is constructed on the retaining wall according to the outer edge line of the standard layer structure and the outer edge line of the first layer structure, so that the potential safety hazard caused by the overlarge distance between the outer edge line of the standard layer structure and the outer edge line of the first layer structure is avoided, the potential safety hazard is reduced, and the safety protection cost can be reduced. In addition, when the construction lifter is constructed subsequently, the distance between the construction lifter and the outer side line of the first-floor structure of the building can be ensured to be smaller than a safe distance, and potential safety hazards are avoided.
In one embodiment, between step S20 and step S30, step S22 is further included: earth is backfilled between the basement roof 110, the retaining wall 120, and the outer edge of the first story structure. That is, after the construction of the retaining wall 120 is completed, earth is backfilled on the basement top plate 110 to secure the bearing of the construction elevator foundation, and then the construction elevator foundation is constructed to the structural surface of the first story structure and the retaining wall. Further, the compaction coefficient of the backfill earthwork is larger than 0.94, that is, after the compaction coefficient of the backfill earthwork reaches more than 0.94, the construction of the construction elevator foundation is performed.
The construction method of the construction elevator foundation of the embodiment is based on the field construction, after the construction elevator foundation is positioned according to the outer edge line of the standard layer structure, the retaining wall is constructed on the top plate of the basement according to the positioning line, and then the construction elevator foundation is constructed to the structural surface and the retaining wall of the first layer structure, so that the distance between the outer edge line of the first layer structure of the construction elevator and the outer edge line of the first layer structure of the building is smaller than the safety distance, the potential safety hazard is avoided, the stability of the construction elevator foundation can be ensured, and the engineering safety protection cost can be effectively reduced.
The construction method of the construction hoist of the embodiment includes the following steps:
s2: the outer border line of the standard layer structure is located. Referring to fig. 2, the outer edge of the standard layer structure is located. Wherein, the outer edge line L of the first layer structure can be usedaAnd an outer side face of the standard layer structure, a positioning outer side line Lb. I.e. the outer edge line L of the standard layer structurebWith the outer edge line L of the first layer structureaParallel and standard layer structure outer boundary line LbAnd is located on the same plane with the outer side surface.
S4: and constructing a retaining wall on the top plate of the basement according to the outer side line. Wherein, the elevation of retaining wall equals with the elevation of first floor structure. Specifically, the outer edge line L of the standard layer structure obtained in step S2bA retaining wall 120 is constructed on the basement ceiling 110. Wherein, the elevation of retaining wall 120 equals with the elevation of first floor structure, that is to say, retaining wall 120 is under construction to the structural plane of first floor structure, and retaining wall 120's height is confirmed according to the difference in height of basement roof 110 and first floor structure promptly. The retaining wall 120 may be formed by arranging reinforcing bars in the vertical and horizontal directions and then pouring concrete.
S6: and forming a construction elevator foundation on the retaining wall. Specifically, the construction elevator base 140 is constructed on the retaining wall 120, and in addition, the construction elevator is constructed byIn the step S4, the elevation of the retaining wall is equal to the elevation of the first story structure, and thus the construction elevator base 140 is connected to the first story structure. Referring again to fig. 2, the construction elevator foundation 140 connects the retaining wall 120 and the first story structure. In one embodiment, the thickness of the retaining wall 120 is the same as the thickness of the construction elevator base 140. That is, the thickness d of the retaining wall 1201Height d from the construction elevator base 1402The same is true.
S8: a ladder cage is constructed on the basis of the construction elevator, and the distance between a car door controlled by the ladder and an outer edge line is smaller than a preset value. The ladder cage 150 is constructed on the basis of the construction hoist constructed in the step S6, and it is ensured that the distance from the outermost line of the standard structure to the ladder cage is less than a predetermined value, which may be 10 cm, in the subsequent lifting process of the ladder cage.
It should be noted that, in each step of the construction method of the construction elevator according to this embodiment, details are described in the above embodiment, and are not described herein again.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (9)

1. A construction method for constructing a foundation of an elevator, characterized by comprising the steps of:
positioning an outer edge line of the standard layer structure;
constructing a retaining wall on the top plate of the basement according to the outer side line; the elevation of the retaining wall is equal to the elevation of the first-layer structure;
and forming a construction elevator foundation on the retaining wall.
2. The construction method of a construction elevator foundation as claimed in claim 1, further comprising the step of, after the step of constructing a retaining wall on a basement ceiling according to the outer border, forming a construction elevator foundation on the retaining wall, before the step of: and backfilling earthwork among the basement top plate, the retaining wall and the outer side line of the first-layer structure.
3. The method of constructing a construction elevator foundation of claim 2 wherein the backfill earth has a compaction factor greater than 0.94.
4. The construction method of the construction elevator foundation according to claim 2 or 3, wherein the thickness of the retaining wall is the same as the thickness of the construction elevator foundation.
5. The construction method of the construction elevator foundation according to claim 2 or 3, wherein in the step of constructing the retaining wall on the basement ceiling according to the outer border: constructing a retaining wall on the top plate of the basement according to the outer side line; a plurality of toes are arranged in a circumferential direction of the retaining wall.
6. The method of constructing a construction elevator foundation of claim 2, wherein the step of locating an outer boundary line of the standard storey structure includes: and positioning the outer edge line according to the outer edge line of the first layer structure and the outer edge surface of the standard layer structure.
7. The method of constructing a foundation for a construction elevator as claimed in claim 1, wherein the reinforcing bars of the foundation for a construction elevator are disposed in a double-layered bidirectional manner.
8. A construction method of a construction elevator is characterized by comprising the following steps:
positioning an outer edge line of the standard layer structure;
constructing a retaining wall on the top plate of the basement according to the outer side line;
forming a construction elevator foundation on the retaining wall, wherein the top elevation of the foundation of the construction elevator foundation is equal to the elevation of the retaining wall;
and constructing a ladder cage on the basis of the construction elevator, wherein the distance between the ladder-controlled car door and the outer edge line is less than a preset value.
9. The construction method of the construction hoist as claimed in claim 8, wherein the predetermined value is 10 cm.
CN202110166912.6A 2021-02-07 2021-02-07 Construction elevator foundation and construction method of construction elevator Pending CN112962659A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110166912.6A CN112962659A (en) 2021-02-07 2021-02-07 Construction elevator foundation and construction method of construction elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110166912.6A CN112962659A (en) 2021-02-07 2021-02-07 Construction elevator foundation and construction method of construction elevator

Publications (1)

Publication Number Publication Date
CN112962659A true CN112962659A (en) 2021-06-15

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090129250A (en) * 2008-06-12 2009-12-16 (자)자유이엔씨 Assembly type auxiliary tower crane for power transmission tower and its installation method
CN204982932U (en) * 2015-08-11 2016-01-20 上海建工五建集团有限公司 Lift foundation structure
CN107818223A (en) * 2017-11-02 2018-03-20 山东万鑫建设有限公司 Lift checking of bearing capacity and construction method are installed on underground garage roof system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090129250A (en) * 2008-06-12 2009-12-16 (자)자유이엔씨 Assembly type auxiliary tower crane for power transmission tower and its installation method
CN204982932U (en) * 2015-08-11 2016-01-20 上海建工五建集团有限公司 Lift foundation structure
CN107818223A (en) * 2017-11-02 2018-03-20 山东万鑫建设有限公司 Lift checking of bearing capacity and construction method are installed on underground garage roof system

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Application publication date: 20210615