1 precast shear wall ② assembling integral double-sided laminated concrete shear wall structure assembling integral double-sided laminated concrete shear wall structure divides the shear wall into three layers from the thickness direction.

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Corresponding standards: technical standard for detection of building structures (GB / t50334-2019), technical standard for detection of precast residential buildings (JGJ / 485-2019), technical specification for detection of concrete subsidence by impact echo method (JGJ / t411-2017) and technical standard for detection of precast concrete structures (DBJ / 15536-2021) Lutong equipment on-site inspection drawing for more information about the technology and application of precast building inspection, please follow the official website or official account of Lutong Inspection Technology Co., Ltd.

The national standard technical standard for assembled concrete buildings (GB / t51231-2016) specifies that the structure is applicable to the areas with seismic fortification intensity of 8 degrees and below Precast houses with building height not exceeding 90m.

The vertical stress-bearing reinforcement of the assembled integral double-sided composite concrete shear wall structure is arranged in the precast double-sided composite wall, the upper and lower overlapping stress-bearing reinforcements are arranged at the floor joints, and the concrete is poured in the precast double-sided gap to form the double-sided composite shear wall.

uses shock elastic wave as the medium and can perform nondestructive testing on shear wall concrete structures according to the principle of shock echo.

Product function overview of multi-functional non-destructive testing instrument for assembled structure quality is applicable to the density of sleeve, grout anchor and grouting; Defects of new and old joint surfaces of laminated plates and beams; Internal defects and surface void (peeling) of precast parts (shear wall, precast slab, precast beam, precast stair, precast balcony, etc.); The void of precast concrete filled steel tube and the quality of internal concrete; Concrete cracks and other detection items.

The advantages of the product are good repeatability and less influenced by human factors; Easy operation: high intelligence, simple operation and high efficiency; It can quickly and accurately locate and judge the type of grouting defects; The main components are imported from Europe and America, with high reliability, high accuracy and strong durability.

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The vertical distribution reinforcement of the wall plate and the horizontal part reinforcement are indirectly connected by additional reinforcement.

At present, the hot spots for the detection of concrete shear wall structures mainly include the detection of concrete defects in the shear wall and the detection of internal defects in the vertical joints.

The “assembled multi-functional nondestructive testing instrument for structural quality” produced by Sichuan Lutong Testing Technology Co., Ltd.

The inner and outer sides are precast, connected by truss reinforcement, and the middle is cast-in-situ concrete.

1 precast shear wall in view of the fact that concrete shear wall structure has almost become the most widely used precast structure system in China, the detection of concrete shear wall structure has also become the focus of the overall quality control and evaluation of precast buildings.

Friends from all walks of life are welcome to inquire!.

① All or part of the precast shear wall structure all or part of the precast shear wall structure realizes the overall connection of the structure through the post cast concrete in the vertical joint node area and the post cast concrete belt or ring beam in the horizontal joint node area.

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Wire Lifting Loop

for more information.

2 double sided laminated concrete shear wall ③ internal cast external shear wall structure the external wall of the internal cast external shear wall structure is composed of precast concrete external wall formwork and cast-in-place part, wherein the precast external wall formwork is connected with the cast-in-place part by truss reinforcement, which can participate in the partial stress.

It has been widely used in many projects in China.

There are three kinds of shear wall structures commonly used in precast buildings at present: all or part of precast shear wall structure, assembled integral double-sided laminated concrete shear wall structure, and cast-in-place external hanging shear wall structure.