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鐵路客運(yùn)專線路基試驗(yàn)段總結(jié)(編輯修改稿)

2025-05-08 23:04 本頁(yè)面
 

【文章內(nèi)容簡(jiǎn)介】 壓的壓實(shí)工藝。對(duì)基床底層采取先靜壓2遍,后弱振3遍、再?gòu)?qiáng)振2遍、最后靜壓收光1遍的操作程序進(jìn)行碾壓?!?,~。各區(qū)段交接處,應(yīng)互相重疊壓實(shí),縱向搭接長(zhǎng)度不應(yīng)小于2m,沿線路縱向行與行之間壓實(shí)重疊不應(yīng)小于40cm。碾壓過(guò)程中保證無(wú)死角、確保碾壓的均勻性。碾壓后對(duì)填土面進(jìn)行標(biāo)高測(cè)量,依據(jù)測(cè)量數(shù)局計(jì)算出壓實(shí)后的厚度,校正松鋪系數(shù)。每層碾壓完畢及時(shí)進(jìn)行試驗(yàn)檢測(cè),經(jīng)檢測(cè)該段路基各填筑層壓實(shí)指標(biāo)均滿足驗(yàn)收標(biāo)準(zhǔn)的規(guī)定(試驗(yàn)報(bào)告見附件3)。對(duì)于碎石墊層及基床底層及基床以下路基的檢測(cè)頻次、,: Dk1531+295 、基床底層及基床以下路基壓實(shí)標(biāo)準(zhǔn)及檢測(cè)結(jié)果 填筑層次測(cè)點(diǎn)位置K30(MPa/m)Ev2(MPa)Ev1(MPa)Ev2/Ev1孔隙率n (%)Evd(MPa)備注≥110≥45<31≥ 351Dk1531+375(中)Dk1531+385 (右)Dk1531+400 (左)Dk1531+415 (右)Dk1531+335 (左)Dk1531+345 (右)Dk1531+355 (左)Dk1531+365 (中)Dk1531+295 (左)Dk1531+305 (中)Dk1531+315 (中)Dk1531+325 (右)2Dk1531+340 (右)Dk1531+350 (左)Dk1531+360 (左)Dk1531+370 (中)Dk1531+290 (左)Dk1531+300 (中)Dk1531+315 (中)Dk1531+330 (右)Dk1531+380 (中)Dk1531+390 (右)Dk1531+400 (右)Dk1531+410 (左)3Dk1531+380 (中)Dk1531+390 (右)(右)Dk1531+400 150(右)Dk1531+410 (左)Dk1531+340 (左)Dk1531+350 (右)Dk1531+360(左)(中)Dk1531+370 146(中)Dk1531+300(左)(左)Dk1531+310(中)Dk1531+31512145Dk1531+320(中)Dk1531+330142(右)(中)Dk1531+345137Dk1531+370Dk1531+415148Dk1531+3851494Dk1531+380135(中)7
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