Engineered cementitious composite (ECC)-reinforced concrete (RC) combination column and novel connection mode thereof
A connection method and combined column technology, applied in the direction of columns, piers, pillars, etc., can solve the problems of limiting the overall performance of the assembled integral structure, difficult to effectively guarantee the quality of concrete pouring, and increasing the difficulty of construction, so as to achieve good construction quality and Seismic performance, simplicity of design and construction, and effect of reducing construction difficulty
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[0019] From figure 1 It can be seen that the existing prefabricated column steel support connection method adopts I-beam 2 to bear the weight of the upper column. After the column is in place, the adjustable diagonal brace 1 is used for correction and fixation. figure 2 For the existing prefabricated column, the reserved hole 3 is provided in the lower column, and the longitudinal ribs at the bottom of the upper column extend outward. When installing, insert the longitudinal ribs at the bottom of the upper column into the reserved holes at the top of the lower column to fix the position, and adjust and fix the adjustable diagonal brace 1. figure 1 , figure 2 The adjustable diagonal brace 1 in the middle layer can be removed only after the concrete strength of the upper layer of beam-column joints reaches 10MPa.
[0020] Engineered Cementitious Composite (hereinafter referred to as ECC), ECC material is a new type of high-performance cement-based composite material in recent years...
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