10底板大体积混凝土浇筑工程.doc

一、 施工准备
（一） 施工器具
耙子、扫把、白线、铝合金刮杠、尖锹、平锹、混凝土地泵、插人式振捣器、平板振捣器、配电箱、塔吊、水泵等。
（二） 技术准备
1、 混凝土申请：浇筑棍凝±前，预先与混凝土供应单位办理预拌混凝土委托单及浇灌申请，委托单的内容包括：混凝土强度等级、方量、坍落度、初凝终凝时间、是否加抗冻剂以及浇筑时间等。
2、 所有机具均应在浇筑混凝土前进行检查，同时配备专职技工，随时检修。
3、 在混凝土浇筑期间，要保证水、电、照明不中断。为了防备临时停水停电，事先应在现场准备一定数量的人工搅拌和振捣用工具，以防出现意外施工缝。
4、 根据施工方案准备必要的塑料布、保温材料及测温用具等。
（三） 作业条件
1、 各种专业管线已埋设完毕，钢筋隐检、模板预检已完成。
2、 施工人员的通道架设、泵管的架子已搭设完毕。
3、 振捣设备调试正常及备有一定数量的振捣棒。
4、 放料处与浇筑点的联络信号已准备就绪。
5、 劳动力安排已妥当，名单已上报。
6、 与城管部门协调好，确保混凝土的顺利浇筑。
7、 检查墙、柱插筋位置、数量，预埋件的位置、数量，预留洞的位置、数量，模板接缝是否严密，模板隔离剂涂刷情况、支撑系统的承载能力、刚度和稳定性是否满足要求。
8、 板内是否清理干净，如铁丝、冷挤压套管、木屑、
First, construction preparation
(A) Construction equipment
Rake, broom, white wire, aluminum scrape bar, pointed shovel, flat shovel, concrete pump, insert-type vibrators, plate vibrators, distribution box, tower cranes, pumps and so on.
(B) of the technical preparations
1, concrete application: placing the stick ± before coagulation, pre-processing and concrete ready-mixed concrete supply unit and the water for a single commission, commission orders include: concrete strength grade, square volume, slump, initial setting and final setting time, whether Add antifreeze, as well as pouring time.
2, all equipment should be inspected before pouring concrete at the same time, with full-time mechanic, maintenance at any time.
3, during the concrete pouring, to ensure water, electricity, lighting is not interrupted. In order to prepare for temporary power outages without water, a certain amount in advance to be prepared in the field of artificial mixing and vibrating tools, to protect against unforeseen construction joints.
4, according to the construction program to prepare the necessary plastic sheeting, insulation material and temperature measuring equipment and so on.
(C) Operating conditions
1, various professional pipeline has been laid finished steel implicit review, templates, pre-screening has been completed.
2, construction workers erected the channel, pipe rack erection has been completed.
3, vibration device debugging of normal and stick with a certain amount of vibration.
4, discharge liaison office and casting point the signal is ready.
5, labor arrangements are appropriate, the list has been submitted.
6, and urban management department to coordinate and ensure the smooth concrete pouring.
7, check the walls, columns Reinforcing location, quantity, location of embedded items, quantity, reserve position of the hole, the number of seams are tight template, template release agent brushing situation, support system, carrying capacity, rigidity and stability of whether it meet the requirements.
8, plate is clean, such as wire, cold extrusion casing, wood chips,