管线沉降加固方案(国外英文资料).docVIP

管线沉降加固方案(国外英文资料) DOC documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source file to the local view. order record I. General Situation of pipelines One 1.1 distribution of foundation pit pipeline 11.2 foundation ditch pipeline suspension mode One Two, the recent Z1 line across the pit within the scope of the pipeline monitoring 2 、 three 、 cause analysis of pipeline settlement 3, four, measures for pipeline settlement Four 4.1 reduce the ground load at the pipe line 44.2 grouting reinforcement of the lower part of the pipeline Six Five 、 grouting construction scheme Nine 5.1 construction deployment 95.2 construction process 125.3 construction steps 125.4 end of grouting standard Fourteen Six, quality, safety and civilized construction guarantee measures Fourteen 6.1 quality assurance measures 146.2 safety measures 156.3 civilized construction guarantee measures Seventeen Seven 、 monitoring during construction Seventeen Pipeline settlement; reinforcement scheme; pipeline settlement; consolidation scheme; settlement I. General Situation of pipelines 1.1 distribution of foundation pit pipeline At present, there are five pipelines in the foundation pit of Z1 line and B1 line through the foundation pit, including 800 water pipelines, 600 water supply pipes, 200 LP gas pipelines, 500 medium pressure gas pipelines and 24 hole communication pipelines. Specific as shown in Figure 1 and 2 below. Figure 1 Distribution diagram of Z1 line pipe Figure 2 Distribution diagram of B1 line pipe One point two Foundation ditch; pipeline; suspension mode All pipeline Z1 line, line construction within the scope of all through the wall B1 (pre buried sleeve between the pipe and the casing used asphalt hemp, asphalt cement filling, two-component polysulfide sealant sealing), through the wall, using Bailey beam suspension way across the pit. As shown in Figure 3 below. First pages, 19 pages bailey beam With 16 10# steel rein