Waterproof construction method for joint of inner supporting stand column and bottom plate: Fid-Bau Portal

Waterproof construction method for joint of inner supporting stand column and bottom plate

ZHANG SIHAI

The invention discloses a waterproof construction method for a joint of an inner supporting stand column and a bottom plate, and belongs to the technical field of building construction. The waterproof construction method comprises the steps that in the bottom plate pouring construction process, the inner supporting stand column is scabbled and cleaned to form a notch, wherein the inner supporting stand column is a concrete column; a water stop part is installed in the notch to form a first waterproof line; after the first waterproof line is formed, the inner supporting stand column is dismantled; after the inner supporting stand columns are dismantled, concrete at the joints of the inner supporting stand columns and the bottom plate is chiseled away, so that grooves are formed; M longitudinal bars located in the groove are cut off so that N longitudinal bars can be reserved, and N is smaller than M; the reserved N longitudinal bars are horizontally bent to be anchored into the bottom plate; and after the N longitudinal bars are anchored into the bottom plate, the grooves are filled with micro-expansion impervious concrete to form a second waterproof line. The technical effects that the waterproof effect is improved and the construction efficiency is improved in the waterproof construction process of the inner supporting stand column and the bottom plate joint of the concrete column are achieved.

本发明公开了一种内支撑立柱与底板节点的防水施工方法，属于建筑施工技术领域，包括在底板浇筑施工过程中，对内支撑立柱进行凿毛洗净，以形成凹口；其中，内支撑立柱为砼柱；在凹口内安装止水部件，以形成第一道防水线；在形成第一道防水线后，对内支撑立柱进行拆除；拆除内支撑立柱后，对内支撑立柱与底板的节点处的混凝土进行凿除，以形成凹槽；对位于凹槽中M个纵筋进行割除，以保留N个纵筋，N小于M；将保留的N个纵筋进行水平弯折来锚入底板；在N个纵筋锚入底板后，将微膨胀抗渗混凝土填充至凹槽内，以形成第二道防水线。本发明达到在采用砼柱的内支撑立柱和底板节点进行防水施工中，提高防水效果、提升施工效率的技术效果。

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