阅读说明：本技术 一种轻型结构柱下装配式单独基础及其施工方法 (Light structure column lower assembly type independent foundation and construction method thereof ) 是由 朱彦鹏 吴林平 吕向向 杨校辉 施多邦 段新国 赵壮福 杜一博 滕振银 赵钰 杜 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种轻型结构柱下装配式单独基础,包括基础底盘、预制钢筋混凝土柱和地梁,所述地梁上开设有第一预留高强螺栓孔道,基础底盘上部设置有第一预留高强螺栓、预留安装槽和第二预留高强螺栓孔道,基础底盘的上部通过第一预留高强螺栓穿过地梁上的第一高强预留螺栓孔道与地梁相连接,预制钢筋混凝土柱下部设置有第三预留高强螺栓孔道,且预制钢筋混凝土柱安插在预留安装槽内,第二预留高强螺栓孔道与其相对应的第三预留高强螺栓孔道调节对准后,通过第二高强螺栓相连接。该轻型结构柱下装配式单独基础,可实现大规模生产,结构形式简单,承载能力强,能实现工厂化制作,工地现场组装,缩短施工工期,产生巨大经济效应,大范围推广应用。(The invention discloses a light structure column lower assembly type single foundation which comprises a foundation chassis, a prefabricated reinforced concrete column and a ground beam, wherein a first reserved high-strength bolt hole is formed in the ground beam, a first reserved high-strength bolt, a reserved mounting groove and a second reserved high-strength bolt hole are formed in the upper portion of the foundation chassis, the upper portion of the foundation chassis penetrates through the first reserved high-strength bolt hole in the ground beam through the first reserved high-strength bolt hole to be connected with the ground beam, a third reserved high-strength bolt hole is formed in the lower portion of the prefabricated reinforced concrete column, the prefabricated reinforced concrete column is inserted into the reserved mounting groove, and the second reserved high-strength bolt hole is connected with a second reserved high-strength bolt after being adjusted and aligned with a corresponding third reserved high-strength bolt hole. This light-duty structure post assembles formula isolated foundation under, can realize large-scale production, and structural style is simple, and bearing capacity is strong, can realize batch production preparation, and the site assembly of building site shortens construction period, produces huge economic effect, popularizes and applies on a large scale.)

1. The utility model provides an assembled independent basis under light-duty structure post, includes basic chassis (1), prefabricated reinforced concrete post (2) and grade beam (3), its characterized in that: a first reserved high-strength bolt hole channel (6) is formed in the ground beam (3), a first reserved high-strength bolt (4), a reserved mounting groove (10) and a second reserved high-strength bolt hole channel (11) are arranged at the upper part of the foundation chassis (1), the upper part of the foundation chassis (1) is connected with the ground beam (3) by a first reserved high-strength bolt (4) passing through a first reserved high-strength bolt pore passage (6) on the ground beam (3), a third reserved high-strength bolt hole channel (12) is arranged at the lower part of the prefabricated reinforced concrete column (2), and the prefabricated reinforced concrete column (2) is inserted in the reserved mounting groove (10), the second reserved high-strength bolt hole channel (11) is connected with a corresponding third reserved high-strength bolt hole channel (12) through a second high-strength bolt (5), and quick-setting concrete (8) is poured at the joint of the foundation chassis (1) and the prefabricated reinforced concrete column (2).

2. A lightweight construction column-down mounted single foundation as set forth in claim 1 wherein: the side wall of the foundation chassis (1) is symmetrically provided with embedded hanging rings (7).

3. A lightweight construction column-down mounted single foundation as set forth in claim 1 wherein: the end part of the first reserved high-strength bolt (4) and the end part of the second high-strength bolt (5) are both sealed by adopting anchor sealing concrete (9).

4. A lightweight construction column-down mounted single foundation as set forth in claim 1 wherein: the inner diameters of the first reserved high-strength bolt hole (6), the second reserved high-strength bolt hole (11) and the third reserved high-strength bolt hole (12) are 3-5mm larger than the diameters of the first reserved high-strength bolt (4) and the second reserved high-strength bolt (5).

5. A lightweight construction column-down mounted single foundation as set forth in claim 1 wherein: the prefabricated reinforced concrete column (2) is inserted into the mounting groove (10) and connected with the base chassis (1), and then the mounting gap is filled with rapid-hardening concrete (8).

6. A method of constructing a light structure column lower fabricated individual foundation according to claim 1, wherein: the method comprises the following construction steps:

s1, selecting a first reserved high-strength bolt (4) and a second high-strength bolt (5) according to a calculation result, configuring reinforcing steel bars needed by a prefabricated foundation chassis (1), a ground beam (3) and a prefabricated reinforced concrete column (2), and erecting a formwork for pouring and maintaining to reach a preset strength;

s2, pre-installing the spatial position of the assembled single foundation under the light structure column by using machinery or manual excavation, laying a concrete cushion layer at the corresponding position of the pre-installed assembled single foundation under the light structure column, and moving the foundation chassis (1) to the corresponding installation position to be in place by using a hoisting facility after the concrete cushion layer reaches the corresponding strength;

s3, penetrating a first reserved high-strength bolt (4) pre-embedded at the upper part of the base chassis (1) through a first reserved bolt hole (6) on the ground beam (3) for installation and connection, and sealing the end part of the first reserved high-strength bolt (4) by using anchor sealing concrete (9) after connection so as to prevent corrosion damage;

s4, adjusting the prefabricated reinforced concrete column (2), inserting the prefabricated reinforced concrete column into a reserved mounting groove (10) reserved on the upper portion of the base chassis (1), aligning bolt holes reserved on the prefabricated reinforced concrete column (2) and the base chassis (1), penetrating a second reserved high-strength bolt hole (11) and a third reserved high-strength bolt hole (12) through a second high-strength bolt (5) to be connected and fixed, and sealing a joint of the second high-strength bolt (5) by using anchor sealing concrete (9);

and S5, after the steps are completed, pouring quick-setting concrete (8) at the joint of the base chassis (1) and the prefabricated reinforced concrete column (2).

Technical Field

The invention relates to the technical field of fabricated houses, in particular to a light structure column lower fabricated individual foundation and a construction method thereof.

Background

In recent years, in order to improve the rural living environment, a high-performance assembled house foundation system adaptive to regions is urgently researched and developed around the ecological, localization and high-economic performance characteristics of novel assembled houses in villages and towns, and the assembled foundation is widely applied to modern engineering construction due to the economy, applicability and practicability of the assembled foundation, and the research of the assembled independent foundation under the light-weight structural column and the construction method thereof has obvious advantages and significance for scientific problems of design, manufacture, installation and the like of the assembled house system in villages and towns.

The existing foundations need to be manufactured on construction sites, are greatly influenced by weather and seasons, and although a plurality of prefabricated foundations are also available, the prefabricated foundations have the defects of specific application range, large size and weight, large transportation difficulty, difficult installation and the like.

Disclosure of Invention

The invention aims to provide a light structure under-column assembly type independent foundation and a construction method thereof, and aims to solve the problems that the existing prefabricated foundations in the background technology have specific application ranges, and are large in size and weight, difficult to transport and difficult to install.

In order to achieve the purpose, the invention provides the following technical scheme: a light structure under-column assembly type single foundation comprises a foundation chassis, a prefabricated reinforced concrete column and a ground beam, wherein a first reserved high-strength bolt hole is formed in the ground beam, a reserved mounting groove and a second reserved high-strength bolt hole are formed in the upper portion of the foundation chassis, the upper portion of the foundation chassis penetrates through the first reserved high-strength bolt hole in the ground beam through a first reserved high-strength bolt to be connected with the ground beam, a third reserved high-strength bolt hole is formed in the lower portion of the prefabricated reinforced concrete column, the prefabricated reinforced concrete column is inserted into the reserved mounting groove, the second reserved high-strength bolt hole is connected with the corresponding third reserved high-strength bolt hole through a second high-strength bolt, and quick-setting concrete is poured at the connecting portion of the foundation chassis and the prefabricated reinforced concrete column.

Preferably, the side wall of the base chassis is symmetrically provided with embedded hanging rings.

Preferably, the end part of the first reserved high-strength bolt and the end part of the second high-strength bolt are both sealed by adopting anchor sealing concrete.

Preferably, the inner diameters of the first reserved high-strength bolt hole, the second reserved high-strength bolt hole and the third reserved high-strength bolt hole are 3-5mm larger than the diameters of the first reserved high-strength bolt and the second reserved high-strength bolt.

Preferably, after the prefabricated reinforced concrete column is inserted into the mounting groove and connected with the base chassis, quick-setting concrete is adopted to fill the mounting gap.

Compared with the prior art, the invention has the beneficial effects that: the light structure column is assembled under the independent foundation,

1. on the basis of greatly reducing the volume and weight and lowering the hoisting and transportation cost, the stress area of the assembled independent foundation under the light structure column can be ensured, so that the light structure column has better punching resistance and bending resistance;

2. the installation groove in the center of the base chassis is utilized to accurately position the prefabricated reinforced concrete column, the reserved bolt holes are easy to calibrate quickly, the installation speed is accelerated, the damage of the bolts is prevented, and the overall stability of the assembled independent foundation under the light structural column is improved;

3. only three basic blocks are provided, the bolt connection end part of each block is sealed by anchor sealing concrete, and the prefabricated reinforced concrete column is connected with the base chassis and then is filled with quick-setting concrete to form a connection gap, so that the problem of corrosion and damage of bolts is avoided;

4. the novel building block can be manufactured in batches, is not influenced by weather and seasons, is simple in structural form and strong in bearing capacity, can realize factory manufacturing and field assembly in a construction site, greatly shortens the construction period, produces great economic effect, and is worth being popularized and applied in a large range.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the base pan and the prefabricated reinforced concrete column of the present invention;

fig. 3 is a top view of the structure of the present invention.

In the figure: the high-strength concrete foundation comprises a foundation chassis 1, a prefabricated reinforced concrete column 2, a ground beam 3, a first reserved high-strength bolt 4, a second high-strength bolt 5, a first reserved high-strength bolt hole 6, an embedded lifting ring 7, quick-setting concrete 8, anchor sealing concrete 9, a reserved mounting groove 10, a second reserved high-strength bolt hole 11 and a third reserved high-strength bolt hole 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the foundation comprises a foundation chassis 1, a prefabricated reinforced concrete column 2, a ground beam 3, a first reserved high-strength bolt 4, a second high-strength bolt 5, a first reserved high-strength bolt hole channel 6, an embedded hanging ring 7, quick-setting concrete 8, anchor sealing concrete 9, a reserved mounting groove 10, a second reserved high-strength bolt hole channel 11 and a third reserved high-strength bolt hole channel 12, wherein the ground beam 3 is provided with the first reserved high-strength bolt hole channel 6, the upper part of the foundation chassis 1 is provided with the reserved mounting groove 10 and the second reserved high-strength bolt hole channel 11, the upper part of the foundation chassis 1 penetrates through the first reserved high-strength bolt hole channel 6 on the ground beam 3 through the first reserved high-strength bolt 4 to be connected with the ground beam 3, the inner diameters of the first reserved high-strength bolt hole channel 6, the second reserved high-strength bolt hole channel 11 and the third reserved high-strength bolt hole channel 12 are 3-5mm larger than the diameters of the first reserved high-strength bolt 4 and the second high-strength bolt 5, the side wall of the foundation chassis 1 is symmetrically provided with embedded rings 7, the foundation chassis 1 is convenient to move and place, the lower portion of the prefabricated reinforced concrete column 2 is provided with a third reserved high-strength bolt hole 12, the prefabricated reinforced concrete column 2 is inserted into the reserved mounting groove 10, the second reserved high-strength bolt hole 11 is connected with the corresponding third reserved high-strength bolt hole 12 through a second high-strength bolt 5, the end portion of the first reserved high-strength bolt 4 and the end portion of the second high-strength bolt 5 are sealed through sealing anchor concrete 9 to prevent the high-strength bolts from rusting and damaging, the joint of the foundation chassis 1 and the prefabricated reinforced concrete column 2 is filled with rapid hardening concrete 8, and after the prefabricated reinforced concrete column 2 is inserted into the mounting groove 10 and connected with the foundation chassis 1, the rapid hardening concrete 8 is used for filling a mounting gap.

A construction method of a light structure under-column assembly type independent foundation comprises the following construction steps:

s1, selecting a first reserved high-strength bolt 4 and a second high-strength bolt 5 according to a calculation result, configuring reinforcing steel bars needed by a prefabricated foundation chassis 1, a ground beam 3 and a prefabricated reinforced concrete column 2, and supporting a formwork for pouring and maintaining to reach a preset strength;

s2, pre-installing the spatial position of the assembled single foundation under the light structure column by using machinery or manual excavation, laying a concrete cushion layer at the corresponding position of the pre-installed assembled single foundation under the light structure column, and moving the foundation chassis 1 to the corresponding installation position to be in place by using a hoisting facility after the concrete cushion layer reaches the corresponding strength;

s3, mounting and connecting a first reserved high-strength bolt 4 pre-embedded in the upper part of the foundation chassis 1 through a first reserved high-strength bolt hole 6 in the ground beam 3, and sealing the end part of the first reserved high-strength bolt 4 of the first high-strength bolt by using anchor sealing concrete 9 after connection so as to prevent corrosion damage;

s4, adjusting the prefabricated reinforced concrete column 2, inserting the prefabricated reinforced concrete column into a reserved mounting groove 10 reserved on the upper portion of the base chassis 1, aligning bolt holes reserved on the prefabricated reinforced concrete column 2 and the base chassis 1, penetrating a second reserved high-strength bolt hole 11 and a third reserved high-strength bolt hole 12 through a second high-strength bolt 5, connecting and fixing the second high-strength bolt 5 and sealing and anchoring concrete 9 to seal a joint of the second high-strength bolt 5;

and S5, after the steps are finished, pouring quick-setting concrete 8 at the joint of the base chassis 1 and the prefabricated reinforced concrete column 2.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, improvements and the like can be made therein without departing from the spirit and scope of the invention.