WO2018028042A1

WO2018028042A1 - Overlaying assembly integral basement of beamless floor system

Info

Publication number: WO2018028042A1
Application number: PCT/CN2016/101679
Authority: WO
Inventors: 张剑
Original assignee: 长沙远大住宅工业集团股份有限公司
Priority date: 2016-08-12
Filing date: 2016-10-10
Publication date: 2018-02-15
Also published as: CN106121035A

Abstract

An overlaying assembly integral basement of a beamless floor system, a bottom plate of the basement being a full cast-in-place concrete bottom plate (1) or a pre-fabricated overlaying bottom plate, the side wall of the basement being a pre-fabricated overlaying sandwich wall (2), a plurality of cast-in-place columns (3) being arranged in the middle of the basement, a column cap (4) being provided on the cast-in-place columns (3), a basement top plate using a beamless overlaying solid floor or a beamless overlaying hollow floor, basement negative n layers using a beamless overlaying hollow floor or a beamless overlaying solid floor, n being a natural number; the beamless overlaying solid floor or the beamless overlaying hollow floor of the basement top plate, the top part of the pre-fabricated overlaying sandwich wall (2) of the side wall, and the column caps (4) on the top part of the cast-in-place columns (3) are cast-in-place connected into an integral whole, and the beamless overlaying hollow floor or the beamless overlaying solid floor of the basement negative n layers and the column caps (4) of the cast-in-place columns (3) are cast-in-place connected into an integral whole. On-site non-modular construction is implemented, the amount of earthwork is small, the costs are low, the construction speed is rapid, the quality is controllable, there is no environmental pollution, and the technical performance is excellent.

Description

Composite assembly basement of a beamless floor system

Technical field:

The invention belongs to the technical field of building engineering, and particularly relates to a superposed assembly integrated basement of a beamless floor covering system.

Background technique:

As we all know, the traditional building basement project uses all cast-in-place concrete structures, which requires the excavation of large underground foundation pits to ensure large-scale construction of on-site raw material stacking, concrete transportation, supporting, pouring, vibrating, curing, folding and so on. The operation space, therefore, the earthwork has a large amount of excavation and the backfilling amount is also large. Since all work is done on site, all wall panels and roof panels are equipped with formwork, and the formwork must be removed after the concrete has reached full strength. Therefore, the formwork and scaffolding are in great demand, the construction period is long, the labor is large, and all raw materials are It is transported to the site in bulk form, polluting the environment, causing waste of raw materials, high labor costs, and the manual vibration of concrete on-site pouring is difficult and demanding. If it is slightly vibrating, it will leave hidden water leakage. In addition, the quality of cast-in-place concrete is uncontrollable, the curing conditions are poor, and the possibility of micro-cracks in concrete is large. In the later stage, rainwater will leak through micro-cracks, which will affect the building quality.

Summary of the invention:

The technical problem to be solved by the present invention is to solve the problems existing in the prior art described above, and to provide a laminated and integrated integrated basement of a beamless floor covering system, which fully utilizes the prefabrication quality of the factory, high speed, high efficiency and good environmental performance. It has the advantages of good integrity and high structural strength, overcoming the shortcomings of the two, improving strengths and avoiding shortcomings, realizing no modular construction on site, small amount of earthwork, low labor cost and material cost, fast construction speed, controllable quality and no environmental pollution. , technical performance is excellent.

The technical solution adopted by the invention is: a superimposed assembly integral type of a beamless floor covering system In the basement, the basement floor is a fully cast-in-place concrete floor or a prefabricated floor. The basement side wall is a prefabricated sandwich wall. There are several cast-in-place columns in the middle of the basement. The cast-in-place column has a column cap, and the basement roof adopts a beamless superimposed frame. Solid floor or no-beam superimposed hollow floor, the negative n-floor of the basement adopts a beamless laminated hollow floor or a beamless laminated solid floor, n is a natural number; the basement roof has no beam laminated solid floor or no beam The top of the prefabricated laminated sandwich wall of the laminated hollow floor and the side wall and the top column cap of the cast-in-place column are integrally connected by cast-in-place, and the basement is negative n-layer non-beam laminated hollow floor or non-beam laminated solid floor The cap and the cap on the cast-in-place column are joined together by cast-in-place.

In the above technical solution, the column cap of the cast-in-place column adopts a bright column cap or a dark column cap, and the column cap of the cast-in-place column is a laminated column cap, including a prefabricated column cap portion and a cast-in-place cap portion.

In the above technical solution, the beamless laminated hollow floor cover is composed of a plurality of prefabricated laminated floors, and each of the prefabricated laminated floors comprises a laminated floor prefabricated layer and a laminated floor cast-in-place layer, and the laminated floor is now The pouring layer is uniformly filled with a plurality of lightweight filling blocks or hollow boxes; the two ends of the prefabricated slabs between the two adjacent cast-in-place column caps are directly overlapped on the column caps and connected with structural steel bars; and the prefabricated stacks A jointed steel bar is connected between the slab and the prefabricated slab; the cast-in-place cap portion of the cap and the cast-in-place layer of the slab are integrally fixed by cast-in-place concrete.

In the above technical solution, the beamless laminated solid floor is composed of a plurality of prefabricated laminated floors, and each prefabricated floor slab comprises a laminated floor prefabricated layer and a laminated floor cast-in-place layer; two adjacent cast-in-place layers The prefabricated slabs between the column caps are directly lapped on the column caps and connected with structural steel bars; and the prefabricated slabs and the prefabricated slabs are connected with jointed steel bars; the cast caps of the column caps The part is laminated together with the cast-in-place layer of the cast-in-place concrete through a cast-in-place concrete joint.

In the above technical solution, the prefabricated laminated bottom plate comprises a bottom plate prefabricated layer and a bottom plate cast-in-place layer.

In the above technical solution, the prefabricated laminated sandwich wall of the beamless laminated hollow floor cover comprises a prefabricated outer leaf wall, a prefabricated inner leaf wall and a cast-in-place sandwich layer.

In the above technical solution, the cast-in-place layer of the laminated floor is evenly filled with a plurality of light-filled blocks or hollow boxes, so that a plurality of uniform honeycomb cores are formed in the cast-in-place layer of the laminated floor, and the honeycomb cores have wide ribs between them. Beam.

The superimposed and assembled integrated basement of the invention is prefabricated by a part of the factory, and a part of the cast-in-place is superposed on the site, and the advantage of the factory prefabrication quality, high speed, high efficiency, good on-site casting integrity and high structural strength is fully utilized, and the two are overcome. Disadvantages, strengths and weaknesses, changed the traditional cast-in-place basement with large amount of earthwork, difficult construction, high cost, long cycle, low efficiency, waste of raw materials, serious environmental pollution, and achieved no-template construction on site, small amount of earthwork, Low labor cost and material cost, fast construction speed, controllable quality, no environmental pollution, high quality and high efficiency, and excellent waterproof performance.

Taking the basement with an area of 10,431 m ² as an example, the traditional technical period is 40 days, the construction period of the invention is 10 days, the traditional technical workers are 156, the invention only needs 82 people, the amount of templates used is greatly reduced, the amount of scaffolding is also reduced, and manual measures are reduced. The masonry plaster is reduced, the construction speed is increased by four times, civilized construction and environmental protection performance are good. Taking the project cost as an example, the cost of formwork engineering is reduced by 100 yuan/m ² , the cost of cast-in-place steel and concrete works is reduced by 127 yuan/m ² , the cost of waterproofing works is reduced by 87/m ² , and the cost of masonry and plastering works is reduced by 29 yuan / m ² , the cost of scaffolding construction is reduced by 30 yuan/m ² , and the cost of other measures is reduced by 25 yuan/m ² . Therefore, the laminated assembled basement of the present invention reduces the construction cost by 398 yuan/m ² compared to the conventional construction basement.

The production of the invention is a flexible intelligent production line operation, high production efficiency and low cost, and the transportation of the invention is convenient, high-efficiency and low in cost; the construction of the invention is simple and easy to operate, the construction quality is controllable, the comprehensive cost is low, the appearance is smooth, and the waterproof Good performance and excellent overall quality.

BRIEF DESCRIPTION OF THE DRAWINGS:

Figure 1 is a schematic view of the overall structure of the present invention;

Figure 2 is a plan view of a solid frame without a beam;

Figure 3 is a plan view of a beamless laminated hollow floor.

Reference mark:

1—all cast-in-place concrete floor, 2—prefabricated sandwich wall, 3—cast-in-place column, 4-column cap, 5-fold slab prefabricated layer, 6-stack slab cast-in-place layer, 7—lightweight filling block Or a hollow box, 8 - patchwork reinforcement.

detailed description:

Referring to Fig. 1, Fig. 2, Fig. 3, a laminated base system of a beamless floor covering system of the present invention, the basement floor is a fully cast concrete floor or a prefabricated floor, and the basement side wall is a prefabricated sandwich. There are a number of cast-in-place columns in the middle of the wall and the basement. The cast-in-place column has a column cap. The basement roof adopts a beamless laminated solid floor or a beamless laminated hollow floor. The basement negative n layer adopts a beamless laminated hollow floor. Or a beamless laminated solid floor, n is a natural number; a beamless superimposed solid floor of a basement roof or a prefabricated laminated sandwich wall with a beamless superimposed hollow floor and side walls and a top column cap of a cast-in-place column Through the cast-in-place connection, the n-beam laminated hollow floor or the non-beam laminated solid floor of the basement negative n-story and the column cap on the cast-in-place column are integrally connected by cast-in-place, the column of the cast-in-place column The cap adopts a bright column cap or a dark column cap, and the cast-in-place cap is a laminated column cap, including a prefabricated cap portion and a cast-in-place cap portion, and the beamless laminated hollow floor cover is composed of a plurality of prefabricated laminated floors Each prefabricated slab also includes The prefabricated floor slab and the cast-in-place slab are uniformly filled with multiple light-filled blocks or hollow boxes in the cast-in-place layer of the slab; two prefabricated slabs between two adjacent cast-in-place columns and caps The end is directly attached to the column cap and connected with the structural steel bar; and the jointed steel bar is connected with the prefabricated laminated floor board; the cast-in-place part of the column cap and the cast-in-place layer of the laminated floor together with the cast-in-place concrete The overall connection is fixed. The non-beam laminated solid floor cover is composed of a plurality of prefabricated laminated floors, each of which comprises a laminated floor prefabricated layer and a laminated floor cast-in-place layer; between two adjacent cast-in-place column caps The prefabricated slabs of the prefabricated slabs are directly lapped on the column caps at the two ends of the prefabricated slabs and connected with structural steel bars; and the prefabricated slabs and the prefabricated slabs are connected with jointed steel bars; the cast-in-place columns of the column caps The cap portion and the cast-in-place slab of the prefabricated slab together are integrally secured by cast-in-place concrete, the prefabricated slab comprising a floor precast layer and a cast-in-place layer, the precast stack of the girderless laminated hollow floor The sandwich wall comprises a prefabricated outer leaf wall, a prefabricated inner leaf wall and a cast-in-place sandwich layer, wherein the cast-in-place layer of the laminated floor is evenly filled with a plurality of light-filled blocks or hollow boxes to form in the cast-in-place layer of the laminated floor. A plurality of uniform honeycomb cores with wide rib beams between the honeycomb cores.

Claims

A superimposed assembled integral basement of a beamless floor covering system, characterized in that: the basement floor is a fully cast concrete floor or a prefabricated floor, the basement side wall is a prefabricated sandwich wall, and a plurality of cast-in-place walls are arranged in the middle of the basement. The column has a column cap on the cast-in-place column, and the basement roof adopts a beamless laminated solid floor or a beamless laminated hollow floor, and the negative n layer of the basement adopts a beamless laminated hollow floor or a beamless laminated solid floor. n is a natural number; the beamless superimposed solid floor of the basement roof or the prefabricated superimposed sandwich wall of the no-beam superimposed hollow floor and the side wall and the top column cap of the cast-in-place column are integrated by cast-in-place, and the basement is negative. The n-layer beamless laminated hollow floor or the beamless laminated solid floor and the column cap on the cast-in-place column are integrally joined by cast-in-place.
The stacked base unit of the beamless floor system according to claim 1, wherein the column cap of the cast-in-place column adopts a bright column cap or a dark column cap, and the column cap of the cast-in-place column is a stack. A cap, including a prefabricated cap portion and a cast-in-place cap portion.
The laminated base unit of the beamless floor covering system according to claim 1, wherein the beamless laminated hollow floor is composed of a plurality of prefabricated laminated floors, each of which is prefabricated and laminated. The composite floor slab prefabricated layer and the laminated slab cast-in-place layer are uniformly filled with multiple light-filled blocks or hollow boxes in the cast-in-place layer of the laminated slab; prefabricated slabs between two adjacent cast-in-place column caps The two ends are directly overlapped on the column cap and connected with structural steel bars; and the prefabricated laminated floor and the prefabricated laminated floor are connected with jointed steel bars; the cast-in-place cap portion of the column cap is combined with the cast-in-place layer of the laminated floor It is fixed by integral connection of cast-in-place concrete.
The stacked base unit of the beamless floor covering system according to claim 1, wherein the beamless laminated solid floor is composed of a plurality of prefabricated laminated floors. Each of the prefabricated slabs comprises a prefabricated slab of prefabricated slabs and a cast-in-place slab; the two ends of the prefabricated slabs between the two adjacent cast-in-place pillars are directly joined to the column caps and connected to the structure. Reinforced steel; and the jointed steel slab is connected with the prefabricated slab; the cast-in-place cap portion of the column cap and the cast-in-place layer of the laminated slab are integrally connected and fixed together with the cast-in-place concrete.
A stacked modular monolithic basement of a beamless floor covering system according to claim 1 wherein said prefabricated laminated bottom panel comprises a bottom layer precast layer and a bottom layer cast layer.
The superimposed assembled unitary basement of the beamless floor covering system of claim 1 wherein said prefabricated sandwich wall comprises a prefabricated outer wall, a prefabricated inner wall and a cast-in-place sandwich.
The laminated base unit of the beamless floor covering system according to claim 1, wherein the cast-in-place layer of the laminated floor of the beamless laminated hollow floor is evenly filled with a plurality of lightweight filling blocks. Or a hollow box to form a plurality of uniform honeycomb cores in the cast-in-place layer of the laminated floor, and a wide rib beam between the honeycomb cores.