预应力管桩规格型号.doc

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1、外径(mm)壁厚(mm)单节桩长(m)强度等级型号预应力钢筋螺旋规格有效预压应力(MPa)开裂弯矩(KN.m)极限弯矩(KN.m)管桩桩身结构对应的单桩竖向承载力最大特征值Ra(KN)竖向承载力设计值Rp(KN)理论重量(kg/m)300705～12C80A6φ7.1φb44.025379001271132AB6φ9.06.03050B8φ9.08.03462C8φ10.710.03979400955～14C80A7φ9.0φb44.0548116502288237AB7φ10.76.064106B10φ10.78.074132C13φ10.710.0881765001005～15C

2、80A11φ9.0φb54.010315523003158327AB11φ10.76.0125210B11φ12.68.0147265C13φ12.610.01673345001255～15 C80A12φ9.0φb54.011116727003701383AB12φ10.76.0136226B12φ12.68.0160285C15φ12.610.01803606001105～15C80A14φ9.0φb54.016725026004255440AB14φ10.76.0206346B14φ12.68.0245441C17φ12.610.0285569600130 5～C80A16φ9

3、.0φb54.01802703050482449915AB16φ10.76.0223374B16φ12.68.0265477C20φ12.610.03076158001105～15C80A15φ10.7φb64.039258944005992620AB15φ12.66.0471771B30φ10.78.0540971C30φ12.610.06381275