Wall / column and beam-slab connection structure and construction method

Abstract

The present invention provides a wall / column and plate connection for prestressed tensioning construction, including a wall / column, a beam and a floor slab, wherein a stepped tongue and groove is arranged on the upper side or the lower side of the end of the wall / column, a stepped tenon is arranged on the end of the beam, a first hole vertically penetrating is provided at the position of the support surface of the tongue and groove of the wall / column, a second hole vertically penetrating is provided at the end of the beam at the position of the support surface of the tenon, and a third hole longitudinally penetrating is provided on the floor slab; the tenon of the beam is built on the tongue and groove of the wall / column, the support surface of the tenon abuts against the support surface of the tongue and groove, so that the first hole is aligned with the second hole, the floor slab is supported on the beam, and the third hole opened in the floor slab is aligned with the first and second holes, and a pre-tightening force is applied to the wall / column, the beam and the floor slab by passing the pre-tightening tendons through the first hole, the second hole and the third hole. The present invention can be modularly constructed, has a high degree of standardization, and a fast construction speed. The entire construction can be realized in a completely dry method, reducing the use of templates and construction personnel.

Description

Technical Field

[0001] The present invention relates to the technical field of building engineering, and in particular to a wall / column and beam-slab connection structure and a construction method. Background Art

[0002] In the prior art, the walls of prefabricated buildings are usually assembled. For example, patent application 2017109734230.1 uses a prefabricated wall structure, including a plate body and a tube body for connecting the plate body. The outer wall of the tube body is recessed along its radial direction toward the axis of the tube body to form a guide groove, and the guide groove runs up and down along the length of the tube body. Grooves that adapt to the shape of the tube body are provided on both sides of the plate body. For another example, the prefabricated wall structure disclosed in patent application 201810697277.2 is spliced ​​in sequence through the outer wall layer, the front load-bearing layer, the rear load-bearing layer and the inner decoration layer.

[0003] In the prior art, the assembly method of prefabricated walls / columns and beams is mostly wet connection. During the construction process, templates need to be built for assembly, the template utilization rate is high, and high requirements are placed on the mold, resulting in low construction efficiency.

[0004] Therefore, in order to solve the above technical problems, a wall / column and beam-slab connection structure and a construction method are proposed. Summary of the invention

[0005] One aspect of the present invention is to provide a wall / column and beam-slab connection structure for a prestressed tension construction building, the connection structure comprises a wall / column, a beam and a floor slab, wherein:

[0006] The upper side or the lower side of the end of the wall / column is provided with a stepped tongue and groove, the end of the beam is provided with a stepped tenon, the wall / column is provided with a first vertically penetrating hole at the position of the supporting surface of the tongue and groove, the end of the beam is provided with a second vertically penetrating hole at the position of the supporting surface of the tenon, and the floor slab is provided with a third longitudinally penetrating hole;

[0007] The tenon of the beam is placed on the tongue of the wall / column, and the supporting surface of the tenon abuts against the supporting surface of the tongue, so that the first hole is aligned with the second hole, the floor slab is supported on the beam, and the third hole opened in the floor slab is aligned with the first and second holes, and pre-tightening force is applied to the wall / column, the beam and the floor slab by passing pre-tightening bars through the first hole, the second hole and the third hole.

[0008] Preferably, when the tenon of the beam is built on the tongue and groove of the wall / column, the upper surface of the wall / column is flush with the upper surface of the beam.

[0009] Preferably, the tenon of the beam is built on the tongue and groove of the wall / column, the floor slab covers the upper surface of the wall / column and the beam after splicing, the third hole is aligned with the first hole, and the pre-tightening reinforcement passes through the first hole, the second hole and the third hole to apply pre-tightening force to the floor slab, beam and wall / column.

[0010] Preferably, a sleeve is embedded in the first hole and / or the second hole and / or the third hole.

[0011] Preferably, the embedded sleeve is a corrugated metal sleeve.

[0012] Preferably, the prestressing bars are prestressed steel bars or steel strands.

[0013] Another aspect of the present invention is to provide a construction method for a wall / column and beam-slab connection structure for a prestressed tension construction building, the method comprising:

[0014] Prefabricated wall / column, beam and floor slab: a stepped tongue and groove is provided on the upper side or the lower side of the end of the wall / column, a stepped tenon is provided at the end of the beam, a first vertically penetrating hole is provided at the position of the supporting surface of the tongue and groove of the wall / column, a second vertically penetrating hole is provided at the end of the beam at the position of the supporting surface of the tenon, and a third longitudinally penetrating hole is provided on the floor slab; a sleeve is pre-buried in the first hole and / or the second hole and / or the third hole;

[0015] Splicing walls / columns, beams and floor slabs: fixing the walls / columns, placing the tenons of the beams on the tongues and grooves of the walls / columns, and aligning the first holes with the second holes; covering the upper surface of the walls / columns and beams after splicing with the floor slabs, and aligning the third holes with the first holes;

[0016] Prestressing the walls / columns, beams and floor slabs: inserting prestressing bars into the first hole, the second hole and the third hole, tensioning the prestressing bars and pouring grout into the third hole, the second hole and the first hole.

[0017] The wall / column and beam-slab connection structure and construction method of the present invention can be constructed in a modular manner, have a high degree of standardization, and a fast construction speed. The entire construction can be implemented in a completely dry method, which reduces the use of templates and construction personnel.

[0018] It should be understood that the foregoing general description and the following detailed description are exemplary illustrations and explanations and should not be used as limitations on the content of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] With reference to the accompanying drawings, further objects, functions and advantages of the present invention will be clarified through the following description of embodiments of the present invention, in which:

[0020] Figure 1 The schematic diagram of the wall / column and beam-slab connection structure of the present invention is schematically shown.

[0021] Figure 2 A schematic diagram showing the decomposition of the wall / column and beam-slab connection structure of the present invention is shown. DETAILED DESCRIPTION

[0022] By referring to the exemplary embodiments, the objects and functions of the present invention and the methods for achieving these objects and functions will be explained. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in different forms. The essence of the description is only to help those skilled in the relevant art to comprehensively understand the specific details of the present invention.

[0023] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings, and relevant technical terms should be well known to those skilled in the art. In the accompanying drawings, the same reference numerals represent the same or similar components, or the same or similar steps, unless otherwise specified.

[0024] According to an embodiment of the present invention, a wall / column and beam-slab connection structure for a prestressed tensioning construction building includes a wall / column, a beam and a floor slab, wherein a stepped tongue is provided on the upper side or the lower side of the end of the wall / column, a stepped tenon is provided at the end of the beam, a first hole vertically penetrating is provided at the position of the support surface of the tongue in the wall / column, a second hole vertically penetrating is provided at the end of the beam at the position of the support surface of the tenon, and a third hole longitudinally penetrating is provided at the floor slab. The tenon of the beam is built on the tongue of the wall / column, the support surface of the tenon is abutted against the support surface of the tongue, so that the first hole is aligned with the second hole, the floor slab is supported on the beam, and the third hole provided in the floor slab is aligned with the first and second holes, and a pre-tightening force is applied to the wall / column and the beam by passing the pre-tightening tendons through the first hole and the second hole.

[0025] like Figure 1 The schematic diagram of the wall / column and beam-slab connection structure of the present invention is shown, Figure 2 The schematic diagram of the decomposition of the wall / column and beam-slab connection structure of the present invention is shown. In this embodiment, the wall / column and beam-slab connection structure used for prestressed tensioning construction includes a wall / column 1, a beam 2 and a floor slab 3. The upper side or lower side of the end of the wall / column 1 is provided with a stepped tongue and groove. According to the present invention, the end of the beam 2 in this embodiment is provided with a stepped tenon 202, the wall / column is provided with a vertically penetrating first hole 101 at the position of the support surface 103 of the tongue and groove 102, the end of the beam 2 is provided with a vertically penetrating second hole 201 at the position of the support surface 203 of the tenon 202, and the floor slab 3 is provided with a longitudinally penetrating third hole 301.

[0026] The tenon 202 of the beam 2 is built on the tongue 102 of the wall / column 1, and the supporting surface 203 of the tenon 202 abuts against the supporting surface 103 of the tongue 102, so that the first hole 101 is aligned with the second hole 201, and the preload force is applied to the wall / column 1 and the beam 2 by passing the preload reinforcement through the first hole 101 and the second hole 201.

[0027] According to the embodiment of the present invention, when the tenon 202 of the beam 2 is built on the tongue 102 of the wall / column 1, the upper surface 104 of the wall / column 1 is flush with the upper surface 24 of the beam 2. The tenon 202 of the beam 2 is built on the tongue 102 of the wall / column 1, the floor 3 covers the upper surface after the wall / column 1 and the beam 2 are spliced, the third hole 301 is aligned with the first hole 101, and the pre-tightening bar passes through the first hole 101, the second hole 201 and the third hole 301, so as to apply pre-tightening force to the floor, beam and wall / column.

[0028] According to an embodiment of the present invention, a pre-buried sleeve is inside the first hole 101 and / or the second hole 201 and / or the third hole 301, the pre-buried sleeve is a corrugated metal sleeve, and the pre-tightening bar is a prestressed steel bar or steel strand.

[0029] The present invention is a construction method for a wall / column and beam connection structure of a prestressed tensioned construction building, comprising:

[0030] (1) Prefabricated walls / columns, beams and floor slabs.

[0031] The walls / columns, beams and floor slabs of the present invention are all prefabricated in a workshop, a stepped tongue and groove is arranged on the upper side or the lower side of the end of the wall / column, a stepped tenon is arranged at the end of the beam, a first vertically penetrating hole is provided at the position of the supporting surface of the tongue and groove of the wall / column, a second vertically penetrating hole is provided at the end of the beam at the position of the supporting surface of the tenon, a third vertically penetrating hole is provided on the floor slab, and sleeves are pre-buried in the first hole and / or the second hole and / or the third hole.

[0032] (2) Splicing walls / columns, beams and floor slabs.

[0033] The prefabricated walls / columns, beams and floor slabs in the workshop are transported to the construction site, the walls / columns are fixed to the foundation, the tenons of the beams are built on the tongues and grooves of the walls / columns, so that the first hole is aligned with the second hole; the floor slab covers the upper surface of the wall / column and the beam after splicing, so that the third hole is aligned with the first hole.

[0034] (3) Apply preload to walls / columns, beams and floor slabs.

[0035] Pre-tightening bars are inserted into the first hole, the second hole and the third hole, the pre-tightening bars are tensioned and grout is poured into the third hole, the second hole and the first hole.

[0036] The wall / column and beam-slab connection structure and construction method of the present invention can be constructed in a modular manner, have a high degree of standardization, and a fast construction speed. The entire construction can be implemented in a completely dry method, which reduces the use of templates and the number of construction personnel.

[0037] Other embodiments of the present invention will be readily apparent to those skilled in the art from the description and practice of the invention disclosed herein. The description and embodiments are to be considered exemplary only, and the true scope and spirit of the present invention are to be limited by the claims.

Claims

1. A wall / column and beam-slab connection structure for prestressed tension construction buildings, characterized in that: The wall / column and beam-slab connection structure for prestressed tension construction includes walls / columns, beams and floor slabs, wherein: The upper side or the lower side of the end of the wall / column is provided with a stepped tongue and groove, the end of the beam is provided with a stepped tenon, the wall / column is provided with a first vertically penetrating hole at the position of the supporting surface of the tongue and groove, the end of the beam is provided with a second vertically penetrating hole at the position of the supporting surface of the tenon, and the floor slab is provided with a third longitudinally penetrating hole; The tenon of the beam is built on the tongue of the wall / column, the support surface of the tenon is in contact with the support surface of the tongue, the tenon of the beam is built on the tongue of the wall / column, the floor slab covers the upper surface of the wall / column and the beam after being spliced, the first hole, the second hole and the third hole are aligned, and the pre-tightening force is applied to the wall / column, the beam and the floor slab by passing the pre-tightening reinforcement through the first hole, the second hole and the third hole; When the tenon of the beam is placed on the tongue and groove of the wall / column, the upper surface of the wall / column is flush with the upper surface of the beam; A sleeve is pre-buried in the first hole and / or the second hole and / or the third hole.

2. The wall / column and beam-slab connection structure for prestressed tension construction buildings according to claim 1, characterized in that: The pre-tightening bars are pre-stressed steel bars or steel strands.

3. A construction method for a wall / column and beam connection structure for a prestressed tension construction building, applied to the wall / column and beam-slab connection structure for a prestressed tension construction building as claimed in claim 1, characterized in that: The method comprises: Prefabricated wall / column, beam and floor slab: a stepped tongue and groove is provided on the upper side or the lower side of the end of the wall / column, a stepped tenon is provided at the end of the beam, a first vertically penetrating hole is provided at the position of the supporting surface of the tongue and groove of the wall / column, a second vertically penetrating hole is provided at the end of the beam at the position of the supporting surface of the tenon, and a third longitudinally penetrating hole is provided on the floor slab; a sleeve is pre-buried in the first hole and / or the second hole and / or the third hole; Splicing walls / columns, beams and floor slabs: fixing the walls / columns, placing the tenons of the beams on the tongues and grooves of the walls / columns, and aligning the first holes with the second holes; covering the upper surface of the walls / columns and beams after splicing with the floor slabs, and aligning the third holes with the first holes; Prestressing the walls / columns, beams and floor slabs: inserting prestressing bars into the first hole, the second hole and the third hole, tensioning the prestressing bars and pouring grout into the third hole, the second hole and the first hole.

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