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Information Name: | _ Wall Shaanxi Xin Li Liang change change wall beam (certified) _ Wall Beam change |
Published: | 2015-07-09 |
Validity: | 0 |
Specifications: | Any |
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Detailed Product Description: | Load-bearing beams or changed during the in-situ method using axial compression changed when the beam, with a measuring point on the wall should not be more than one, Shaanxi wall beams change and reform in the wall beam in situ axial compression method The measuring points should be located at an intermediate position in the longitudinal direction of the wall, but also to ensure that changes in the wall on each side of the beam between the masonry wall groove width of not less than 1.5m; if more than one measuring point, the measuring point The horizontal spacing of not less than 2.0m. In the vertical direction, change the test site where the beams should be away from buildings, ground about 1m, the test site shall be selected at cantilever beam, stress concentration and wall Wall Beam height range. When to change the beam or wall facade changed when tested in situ supermarket axial compression method, first cut at the measuring point position, relative of two horizontal slots. Should be slotted in to change beams to avoid disturbing the surrounding masonry, masonry bearing surfaces between the upper and lower groove should repair the flat. Secondly, change the wall beams or girders or is it time to change the facade of the supermarket these programs during the press should be placed between the slots in situ, in which the reaction force plate should be placed on Slots, flat jacks placed under Slots, and should be in the top surface of the lower surface of the tank and flat jack, and even the laying of about 10mm thick wet sand or plaster cushion; installation of four steel rod changed when girders, walls change beam technology, two pressure plates (reaction force plate and flat jack) vertically aligned in the horizontal position, four steel rod on the difference between the clearance under the nut should not exceed 2mm. Here are three simple methods to identify non-load-bearing walls and load-bearing walls: 1, by the sound determination: Tap the wall, there are clear echoes of big, it is light walls, and load-bearing walls should be no too many voices. 2, by the thickness of the judgment: in non-load-bearing wall thickness size chart is significantly thinner than painting bearing wall, usually about 10 centimeters thick. Load-bearing walls are thicker, second only to the external walls. It is the same thickness and are basically load-bearing walls, its thickness of 24 centimeters. In general, the load-bearing walls is brick, structure thick 24cm, Shiyan wall beams offer change, the thickness of the exterior structure of the cold regions of 37cm, 20cm wall thickness of the concrete structure or 16cm, non-load-bearing walls 12cm, 10cm, 8cm range . 3, through parts of the judgment: the external walls are usually bearing walls; and neighbors also shared wall. General non-load-bearing walls in the bathroom, storage room, kitchen and hallway. Wherein the change in the load-bearing beams host shear apparatus into a good hole cut, the need to pay attention to the bearing plate of the instrument coincides with the top surface of the specimen bricks, bricks axis coincide with the axis of the instrument. If you cut the hole too long, the tail should be an additional instrument pad. However, the operation changes in the wall beam shear apparatus, uniform horizontal load is applied, the relative displacement, walls change beams to destroy the state between the specimen until the specimen and masonry. Loading the whole process should be as 1-3min. The representative value of the wall shear strength and load-bearing beams change change beam measurement area brick through the seam along the same compressive strength to take each point average. Currently, the detection beam in masonry bearing wall structure change has been rapid development in engineering practice, in addition to the above described common already in situ axial compression method, flat top, in situ single cut, in situ single outer brick double cut it, there are cylinder pressure method, launch method, mortar sheet shearing, springback law, Dutch law and nail point method. _ Wall Shaanxi Xin Li Liang change change wall beam (certified) _ Wall changed by the Nanyang City Xin Li Liang wall beams provide change. Nanyang city walls change Liang Xin Li (www.hnqtgl.com) (www.hnqtgl.com) is an industry leader in Nanyang, Henan, construction, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum to meet customer needs. Liang Xin Li walls change in leadership with the staff warmly welcome all inquiries negotiations to create change Liang Xin Li walls better future. |
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Copyright © GuangDong ICP No. 10089450, Nanyang City walls change Liang Xin Li All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
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You are the 22815 visitor
Copyright © GuangDong ICP No. 10089450, Nanyang City walls change Liang Xin Li All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility