Hollow building block

Abstract

The invention relates to a hollow building block. The hollow building block is a rectangular block with through hole structures shaped like a Chinese character 'ri' or 'tian'; the rectangular block is provided with bolting components; one bolting component is attached to the inner wall of each through hole shaped like a Chinese character 'ri' and the inner vertical surface of an end rib, wherein one horizontal cross section of the bolting component is shaped like a Chinese character 'ao', or two horizontal cross sections of each bolting component are both shaped like 'L'; one bolting component is attached to the inner walls of each through hole shaped like a Chinese character 'tian' and the inner vertical surface of an end rib, wherein the horizontal cross section of the bolting component is shaped like 'L'; the vertical surfaces of each bolting component, which are shaped like a Chinese character 'ao', are arranged opposite to each other, the outer vertical surface and the walls of each bolting component and the end rib are in seamless fit like steps; the upper end of each bolting component protrudes out of the through hole, and the height of the exposed part of the bolting component is less than that of the through hole; the lower end surface of each bolting component keeps a distance from the lower surface of the rectangular block, wherein the distance is greater than the height of the upward exposed part of the bolting component. Due to the unique bolt-hole connection structure, the wall formed by laying the hollow building blocks has unique mechanical properties such as shearing strength and an inner structure with anti-seismic and anti-cracking functions. The hollow building block provided by the invention is easy to lay and is easy to popularize.

Description

technical field [0001] The invention relates to building wall materials, in particular to a hollow building block. Background technique [0002] At present, new building wall materials are mainly divided into three categories: bricks, blocks, and plates. Blocks mainly include ordinary concrete blocks, lightweight concrete blocks, aerated concrete blocks, gypsum blocks, fly ash blocks, sintered hollow blocks, etc. The Ministry of Housing and Urban-Rural Development issued the "Announcement on Publishing the Promotion and Application of Wall Thermal Insulation System and Wall Materials and the Restriction and Prohibited Use of Technologies" (Announcement No. 1338 of the Ministry of Housing and Urban-Rural Development) which lists the types of blocks for new wall materials to be promoted technical name. [0003] The building structure needs to consider the seismic design according to the seismic fortification intensity of the area. The seismic activities in China are mainly d...

AI Technical Summary

Problems solved by technology

The earthquake damage of Wenchuan Earthquake in 2008 showed that the infill walls were damaged to varying degrees, and some damages even exceeded the main structure, resulting in unnecessary economic losses, especially for high-rise buildings with high-grade decoration conditions.

In order to prevent the filling wall from collapsing or forming long oblique cracks during earthquakes, the mechanical properties are often enhanced by setting tie bars in the mortar joints. The tie bars need to be anchored in reinforced concrete columns or walls, and it is difficult to reserve them accurately. Larger, the construction unit often adopts the method of replanting bars by drilling holes on the columns or walls. The disadvantages of this method are: first, there is damage to the columns or walls, and second, the quality of planting bars is not easy to control

Since the concrete hollow blocks have the characteristics of large porosity and a smaller mortar joint surface than solid clay bricks, and the control of the fullness of the mortar is often not strictly controlled during construction, resulting in the fullness of the mortar not meeting the requirements, and the resistance of the concrete block masonry The mechanical properties such as shear strength and structural integrity are worse than those of solid clay brick masonry, which is one of the main reasons for wall cracking

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