真空預(yù)壓發(fā)處理軟土地基施工方案英文版-全文預(yù)覽
【正文】 onitoring Method As per of Section of ITB 5 5 uality Standard of SPB Vertical Drains Parameter Unit Type Remarks SPB1 SPB2 SPB3 Materials Plastic strip core coated with a membrane filter Section dimensions Width mm 100?2 100?2 100?2 Thickness mm ? ? ? Longitudinal drain capacity m3/s 15*106 25*106 Side pressure 350KN/m2 Tension strength KN/10cm Elongation is 100% Elongation 10 10 Permeability coefficient cm/s 5*104 5*104 Capacity of insulating soil ?m 75 75 Tension strength of membrane Dry N/cm 15 30 Elongation is 10% Wet N/cm 10 20 Elongation is 15% Linear weight g/m 90100 90100 Unit length m 200 200 Site clearing Geotextile laying Preparation of wick drains inserting equipment Site office and control center Vacuum pipes install Wick drains insertion Second sand bedding First sand bedding Membrane laying Air extracting equipment Vacuum gauge and relay install Air extraction test Weir construction Control and operation center Electrical and light circuit Recheck the vacuum pumps Temporary water pumps installation Vacuum pipe preparation Membrane preparation S ttleme t gauges Initial reading of settlement and relay Proposed Design Philosophy, Construction, Installation and Monitoring Method As per of Section of ITB 6 6 中國最大的管理資源中心 第 7 頁 共 10 頁 Flow Diagram of Vacuum Prepression Method Geotechnical design of vacuum prepression methods of process area Process Area (m2) Average depth of soft soil (m) Bearing Capacity of foundation soil (t/m2) Interval of vertical drains (m) Depth of vertical drains (m) Calculated Final consolidation settlement (m) Depth of vertical drains (m) Calculated Final consolidation settlement (m) Estimated Settlement (m) Depth of vertical drains (m) Calculated Final consolidation settlement (m) 1 28254 * __________ 25286 5 10 2 * ____________ 5 10 3 * ____________ 5 10 Note: The “ *” shows that the numerator means the proposed process area, which is extended from the area specified in the tender documents (denominator) by extending edge to m. When f = , the settleme
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