Dam body multi-grade concrete synchronous pouring construction method and device: Fid-Bau Portal

Dam body multi-grade concrete synchronous pouring construction method and device

ZHONG HUANGJUN / XIAO FENGPING / LUO LI / WEI XIUMIN

The invention discloses a dam body multi-label concrete synchronous pouring construction method and device, and relates to the technical field of concrete construction. According to the multi-label concrete synchronous pouring construction method for the dam body, concrete is constructed at the construction position from bottom to top in a layered mode; the construction method of each layer of concrete comprises the following steps: determining an interface between two kinds of concrete with different grades, placing a steel partition plate on the interface, respectively pouring two kinds of concrete with different grades on two sides of the steel partition plate, and pulling out the steel partition plate after the concrete enters a mold and before initial setting. Synchronous construction of concrete of different grades can be achieved, the construction efficiency is improved, the construction period is shortened, the construction cost is reduced, meanwhile, the problems of slurry flowing and the like in the pouring process are avoided, and the strength grade of the poured concrete is guaranteed.

本申请公开了一种大坝坝体多标号混凝土同步浇筑施工方法及装置，涉及混凝土施工技术领域。该大坝坝体多标号混凝土同步浇筑施工方法，在施工位置从下向上分层施工混凝土；每层混凝土的施工方法，包括：确定两种不同标号混凝土之间的交接面，在交接面处放置钢隔板，在钢隔板的两侧分别浇筑两种不同标号的混凝土，在混凝土入模后初凝前将钢隔板抽出。本申请可实现不同标号混凝土的同步施工，提高了施工效率，节约了施工工期，降低了施工成本，同时还避免浇筑过程中出现流浆等问题，保证了混凝土浇筑后的强度等级。

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