桩基声测管施工安全技术
　　1．多孔同时开挖施工时，应采取距离开挖的方法。
　　
　　2.各种原因造成的钢模板墙体裂痕，使雨水直接从裂痕处渗透室内，也是造成渗水的重要原因。
　　
　　3.对于因为基层产生裂痕，从而影响面层质量造成渗漏的，私认为，主要是要加强基层施工质量治理并采取有效的措施。如：地下电缆、上下水管道、旧墙基、旧人防工程等及其分布情况，并针对情况提出预防事故的方案。经由具体观察及研究分析，主要是因为面砖铺贴空鼓或铺贴砂浆不丰满，造成面砖与砂浆局部脱离，面砖与砂浆间旷地空闲部门易形成贮水容器；面砖勾缝不密实或勾缝龟裂，密缝勾缝漏掉都是使雨水从表面渗透，造成积水，从而引起渗漏的原因。
　　
　　4.钢模板装饰基层一次性打底太厚或为保证全高垂直度而使局部打底偏厚，又未采取适当加强措施而产生基层裂痕；结构层表面太光滑，如未采取措施，使基层空鼓、龟裂、结合不良；钢模板大面积打底而基层又未设置分格线，使基层产生不规则收缩裂痕。在铺贴过程中一定要有挤浆工艺，且在勾缝前要全面检查空鼓情况，勾缝要保证密实度，勾缝完毕后要留意潮湿养护，密缝擦缝不得漏掉，勾缝深度建议要严格控制，凹入度不宜太大，最好勾成圆弧形平缝。
　　
　　5．查阅有关档案资料，调查了解施工现场地上、地下的障碍物。井孔上、下应有可靠的通话联络，如对讲机等。当吊桶晋升到离地面高1.8m左右（超过人高）时推流动盖板封闭孔口，手推车推至盖板上，卸土后再开盖板下吊桶吊土，以防土块和工具掉入孔内伤人。如：数目、承重方式、断面外形、桩基声测管下持力层以及所处地舆位置的相应地质资料（土质、埋深、地下水位高低、有无淤泥、流砂等特殊土层）等。
　　
　　6．夜间一般禁止声测管作业，如遇特殊情况需夜间声测管功课时，须经现场负责人同意，并有安全员在场。
　　
　　7.对于钢模板铺贴面砖的建筑物，钢模板施工前必需事提高前辈行技术交底，同时要强化工人的质量意识，增强责任心。严禁干砖上墙，严格控制砂浆配合比，保证砂浆丰满度，水平缝要满铺砂浆，同时以挤砌等方法来保证。
　　
　　8．声测管桩基声测管作业职员放工休息时，必需盖好孔口，或用高于80cm的护身栏将井口封锁围挡。孔内振捣混凝土应该用绳系牢振捣器，放到孔内振捣，禁止人下到孔内振捣。浇筑第一步混凝土时待下料高出扩孔部门顶标高30cm左右再振捣，以后每步浇1.5m高，随浇随振捣密实。

我公司专业生产销售声测管 本文由www.yxbohua.com提供 

1. Porous excavation construction at the same time, should be taken from the excavation method.
3. The various causes of wall crack, steel template make rain directly from the cracks in indoor, is also the important cause of water seepage.
4. For because of a rift at the grass-roots level, thus affecting the surface quality caused by leakage, private thought, main is to strengthen the base construction quality management and take effective measures. Such as: underground cable, fluctuation conduit, old wall, civil air defense project and its distribution, such as accident prevention are put forward based on situation. Through the observation and analysis, mainly because of brick shop is stuck or brick mortar is not full, empty drum caused local from brick and mortar, brick and mortar opening free division between easy to form a water storage container; Brick pointing imperfect or jointing crack, thick seam jointing to miss is the rain infiltration from the surface, causing water, thus the cause of leakage.
4. Steel formwork adornment one-time render too thick at the grass-roots level or in order to ensure the full high verticality and make the local render partial thick, and did not take appropriate measures to strengthen and produce cracks at the grass-roots level; Structure layer surface is too smooth, if not take measures to make empty drum, crack, combined with poor at the grass-roots level; Large steel template base grid lines and at the grass-roots level is not set points, and creates an irregular contraction cracks at the grass-roots level. In the process of the shop is stuck must have crowded syrup process, and will fully inspection before jointing empty drum, pointing to ensure the compactness, after pointing to pay more attention to moisture curing, thick seam seams shall not omit, tick off seam depth to strictly control, recessed shoulds not be too big, it is best to hook into a circular flat seam.
2. Refer to relevant documents, investigating the ground, underground obstacles to the construction site. Above and below the hole should be reliable communications, such as radio, etc. When the bucket promoted to high from the ground 1.8 m high (more than one) push flow cover closed orifice, push carts to cover, under the open cover bucket again after unloading soil soil, in case clod and tools fall into the hole. Such as: number, bearing way, cross section shape, acoustic detection tube pile foundation subsoil and place and position under the corresponding geological data (soil, buried depth, the underground water level, mud, sand and other special soil), etc.
Acoustic detection tube generally prohibits homework at night, in case of special circumstances need to acoustic detection tube homework at night, subject to the consent of the scene, and a security officer present.
5. For the steel mould of galley furring brick buildings, steel formwork construction necessary things improve senior technical clarificaiton, before and at the same time to strengthen the quality consciousness of the workers, strengthen the sense of responsibility. It is strictly prohibited to dry on the brick wall, and strictly control the formulations of cement mortar mortar fullness, to spread mortar, horizontal seam, at the same time to build by laying bricks or stones such as ways to make sure.
9. The sound tube acoustic detection tube pile foundation course leave work staff rest, must cover the orifice, or with more than 80 cm (bar will be closed wellhead WeiDang. Hole should use a rope fastened ofnon-vibrating concrete vibrator, into the hole vibrating, forbid people down to the hole vibrating. The first step in pouring concrete for blanking when reaming department top elevation above 30 cm vibrating again, after each step 1.5 m tall, increases with the increasing water the vibrating compaction.