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Drop integral raft foundation and construction method thereof

A technology of raft foundation and construction method, which is applied in infrastructure engineering, artificial islands, water conservancy projects, etc., can solve the problems of complex waterproof construction, low building tightness, and inability to meet high-level safety requirements, and achieve thermal insulation and waterproofing The construction is simple and easy, the difficulty of building construction is reduced, and the effect of saving consumables

Pending Publication Date: 2022-04-05
CHINA CONSTR FIFTH ENG DIV CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a drop integral raft foundation to solve the problem of complex waterproof construction and poor building quality due to the existence of construction joints between the skirt raft and the main building in the "main building-podium" type of building in the prior art. Technical issues that cannot meet high-level security requirements due to low rigor

Method used

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  • Drop integral raft foundation and construction method thereof
  • Drop integral raft foundation and construction method thereof
  • Drop integral raft foundation and construction method thereof

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specific Embodiment 1

[0048] Specific embodiment 1 of the drop integral raft foundation provided by the present invention, in this embodiment, taking the "main building-podium" type tumor building for a hospital as an example on a soil layer with better bearing capacity such as mudstone, for this The specific structure and construction method of the drop integral raft foundation in the invention are introduced, specifically as follows:

[0049] Such as figure 1 As shown, the raft foundation includes the raft 1 of the main building and the raft 2 of the skirt building, the raft 1 of the main building is constructed with the shear wall 3 of the main building, and the raft 2 of the skirt building is connected with the shear wall 3 of the main building. A waterproof protection layer 4 is provided on the outside of the raft 1 of the main building, the raft 2 of the skirt building and the shear wall 3 of the main building. In addition, a concrete cushion 5 is provided on the lower side of the raft 1 of t...

specific Embodiment 2

[0060] The specific embodiment 2 of the drop integral raft foundation provided by the present invention is mainly different from embodiment 1 in that in embodiment 1, the sandstone cushion layer is arranged on the part of the podium raft adjacent to the shear wall of the main building and at the same time cooperate with the shear walls of the main building, rafts of the skirt building, supporting piles and crown beams. In this embodiment, the sandstone cushion layer is only arranged in the so-called area of ​​the integrated connection structure, and the crown beam is supported and matched with the podium raft through an additionally arranged cushion layer.

specific Embodiment 3

[0061]The specific embodiment 3 of the drop integral raft foundation provided by the present invention is mainly different from embodiment 1 in that in embodiment 1, the sandstone cushion layer is arranged on the part of the podium raft adjacent to the shear wall of the main building and at the same time cooperate with the shear walls of the main building, rafts of the skirt building, supporting piles and crown beams. In this embodiment, sandstone cushions are only provided on the crown beam and podium rafts.

[0062] The specific embodiment of the construction method of the drop integral type raft slab foundation provided by the present invention:

[0063] The concrete embodiment of the construction method of the drop integral raft foundation is the same as the construction method of the drop integral raft foundation in Embodiments 1-3 of the above-mentioned drop integral raft foundation, and will not be repeated here.

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Abstract

The invention belongs to the technical field of building construction, and particularly relates to a fall integral raft foundation and a construction method thereof.During construction, a main building foundation and a main building shear wall foundation are excavated, a main building raft is poured, and after the main building shear wall foundation is poured to the elevation, the main building shear wall foundation is poured; after concrete of the main building shear wall foundation reaches the set strength, a main building shear wall is constructed on the main building shear wall foundation, and after the main building shear wall reaches the set height and the concrete reaches the set strength, a structure at the joint of the main building shear wall and the podium building raft is poured, and an integrated connecting structure is formed through pouring; the integrated connecting structure is provided with a horizontal extending part and a vertical extending part, the horizontal extending part forms a part of a podium raft, and the vertical extending part forms a part of a main building shear wall, so that a construction joint is prevented from being formed between the main building raft and the podium raft, and the construction efficiency is improved. And waterproof construction is facilitated, and it is guaranteed that the podium building body has high leakproofness.

Description

technical field [0001] The invention belongs to the technical field of building construction, and in particular relates to a drop integral raft foundation and a construction method thereof. Background technique [0002] Building construction often involves the structure of connecting rafts and walls, such as the "main building-podium" type of building, the position of the rafts of the main building is lower than that of the podium rafts, so there will be a gap between the rafts of the skirt and the main building. The structure of the shear wall connection. [0003] For this type of structure, construction methods in the prior art will form construction joints between the wall body and the raft, and in order to ensure tightness, the construction joints will be waterproofed. For example, a Chinese utility model patent with the authorized announcement number CN215105541U and the authorized announcement date being December 10, 2021 discloses a connection and waterproof structur...

Claims

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Application Information

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IPC IPC(8): E02D27/01E02D29/16E02D31/00E02D31/02
Inventor 韩晓冬李存晟李民举代东亮李根杨伊珂牛增聪王冲杰建金龙马建军韩书娟王举赵耀威刘瑞冰柳正
Owner CHINA CONSTR FIFTH ENG DIV CORP LTD
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