Control method for actively overcoming dead weight and line shape of vice cable saddle buttress concrete

Abstract

The invention discloses a control method for actively overcoming the dead weight and the line shape of vice cable saddle buttress concrete, which comprises the following steps: embedding bearing falsework embedded parts when anchorage construction is performed; assembling a falsework, and positioning and firmly welding a bearing falsework post bracket with the embedded parts; performing formwork casting on vice cable saddle buttress and rear anchor block segment concrete; actively lifting the cast segment buttress concrete through the bearing falsework and hydraulic equipment; continuing casting anchor block and vice cable saddle buttress concrete layer by layer, and actively lifting the cast vice cable saddle buttress concrete through designing a calculation lane until the vice cable saddle buttress concrete casting is finished; perfecting the bearing falsework, and casting anchor room and side wall concrete; and then, casting closure block and anchor room top plate concrete, and removing the bearing falsework. By adopting the control method for actively overcoming the dead weight and the line shape of the vice cable saddle buttress concrete, the stress and the line shape of the pier body structure can be effectively controlled; and certain prestress is generated on pier bottom stress, thereby, pull stress generated by part of structure is canceled; the construction quality and the construction safety are improved; the construction cost can also be saved; and the economic benefit is increased.

Description

technical field [0001] The invention relates to the construction field of loose-cable saddle pier construction, in particular to a method for actively overcoming the concrete self-weight and line shape control of loose-cable saddle pier. Background technique [0002] The loose cable saddle pier is generally a super high and large slope structure. When the conventional support is used for cast-in-place construction, affected by the large inclination angle, during the process of pouring the concrete of the loose cable saddle pier in sections, the support will produce deflection deformation, and Tensile stress will be generated on the outer edge of the pier bottom, which will easily lead to cracking of the concrete at the pier bottom during the construction stage, affecting the construction quality and construction safety; The large horizontal displacement makes the saddle pier deviate from the design position, making it difficult for the line shape to meet the design requireme...

AI Technical Summary

Problems solved by technology

[0002] The loose cable saddle pier is generally a super high and large slope structure. When the conventional support is used for cast-in-place construction, due to the influence of the large inclination angle, during the process of pouring the concrete of the loose cable saddle pier in sections, the support will produce deflection deformation, and Tensile stress will be generated on the outer edge of the pier bottom, which will easily lead to cracking of the pier bottom concrete during the construction stage, affecting the construction quality and construction safety; The large horizontal displacement makes the saddle pier deviate from the design position, making it difficult for the line shape to meet the design requirements

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