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巖體工程分類及普氏巖石強度系數 - 靜態爆破的日志 :溫馨提示!由于新浪微博認證機制調整,您的新浪微博帳號綁定已過期,請重新綁定!|
我國工(gong)程(cheng)地質(zhi)科學(xue)工(gong)作者(zhe)(科學(xue)院地質(zhi)所(suo)等)為了建(jian)立統(tong)一(yi)評價(jia)工(gong)程(cheng)巖(yan)(yan)爆(bao)穩定(ding)性的(de)分級(ji)標(biao)準,為巖(yan)(yan)土工(gong)程(cheng)建(jian)設的(de)勘察、設計、施工(gong)和編制(zhi)定(ding)額(e)提供必(bi)要的(de)基(ji)本依據,經過多年研究(jiu)并制(zhi)定(ding)頒布了我國工(gong)程(cheng)巖(yan)(yan)體(ti)分級(ji)標(biao)準(GB50218-94)。不僅可以確定(ding)爆(bao)破(po)巖(yan)(yan)體(ti)的(de)基(ji)本質(zhi)量級(ji)別,還可用于判斷巖(yan)(yan)體(ti)爆(bao)破(po)的(de)難易程(cheng)度(du)。
極限壓碎強度 :中(zhong)文(wen)詞(ci)條名:極限壓(ya)(ya)(ya)碎(sui)強(qiang)(qiang)度(du)(du)英文(wen)詞(ci)條名: 極限壓(ya)(ya)(ya)碎(sui)強(qiang)(qiang)度(du)(du) 是(shi)一(yi)種(zhong)(zhong)(zhong)非標(biao)準的(de)(de)(de)(de)(de)(de)(de)(de)稱(cheng)謂(wei),其正確的(de)(de)(de)(de)(de)(de)(de)(de)稱(cheng)謂(wei)應為(wei) 堅(jian)固(gu)(gu)系(xi)數 ,或(huo)叫 普氏系(xi)數 。堅(jian)固(gu)(gu)系(xi)數(普氏系(xi)數)由俄羅(luo)斯(si)學者于1926年(nian)提出,今(jin)仍在(zai)礦山開采業(ye)和(he)勘探掘(jue)進中(zhong)得到廣范應用(yong)(yong)。我國建筑定額也采用(yong)(yong)該系(xi)數區分施(shi)工類別。由于巖石(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)區別于巖石(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)強(qiang)(qiang)度(du)(du),強(qiang)(qiang)度(du)(du)值(zhi)必定與某種(zhong)(zhong)(zhong)變形(xing)方式(單(dan)軸(zhou)壓(ya)(ya)(ya)縮、拉(la)伸、剪切)相(xiang)聯系(xi),而反映的(de)(de)(de)(de)(de)(de)(de)(de)是(shi)巖石(shi)(shi)(shi)(shi)(shi)在(zai)幾種(zhong)(zhong)(zhong)變形(xing)方式的(de)(de)(de)(de)(de)(de)(de)(de)組合作(zuo)用(yong)(yong)下(xia)抵(di)抗(kang)破壞(huai)的(de)(de)(de)(de)(de)(de)(de)(de)能力(li)。因(yin)(yin)為(wei)在(zai)鉆掘(jue)施(shi)工中(zhong)往(wang)往(wang)不是(shi)采用(yong)(yong)純壓(ya)(ya)(ya)入或(huo)純回轉的(de)(de)(de)(de)(de)(de)(de)(de)方法破碎(sui)巖石(shi)(shi)(shi)(shi)(shi),因(yin)(yin)此這(zhe)種(zhong)(zhong)(zhong)反映在(zai)組合作(zuo)用(yong)(yong)下(xia)巖石(shi)(shi)(shi)(shi)(shi)破碎(sui)難易程度(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)指標(biao)比較貼近生產實際情況。巖石(shi)(shi)(shi)(shi)(shi)堅(jian)固(gu)(gu)系(xi)數(巖石(shi)(shi)(shi)(shi)(shi)極限壓(ya)(ya)(ya)碎(sui)強(qiang)(qiang)度(du)(du))表征的(de)(de)(de)(de)(de)(de)(de)(de)是(shi)巖石(shi)(shi)(shi)(shi)(shi)抵(di)抗(kang)破碎(sui)的(de)(de)(de)(de)(de)(de)(de)(de)相(xiang)對值(zhi)。因(yin)(yin)為(wei)巖石(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)抗(kang)壓(ya)(ya)(ya)能力(li)強(qiang)(qiang),故(gu)把巖石(shi)(shi)(shi)(shi)(shi)天然單(dan)軸(zhou)抗(kang)壓(ya)(ya)(ya)強(qiang)(qiang)度(du)(du)極限的(de)(de)(de)(de)(de)(de)(de)(de)1/10作(zuo)為(wei)巖石(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)堅(jian)固(gu)(gu)系(xi)數(巖石(shi)(shi)(shi)(shi)(shi)極限壓(ya)(ya)(ya)碎(sui)強(qiang)(qiang)度(du)(du))。但國內(nei)大量工程實踐(jian)。
機制沙設備報價|巖石極限壓碎強度(堅固系數)礦粉生產加工設備@洗石機:好,巖石極限壓碎強度(堅固系數)礦粉生產加工設備。鏟斗破碎機價格08定(ding)額(e)的(de)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)分(fen)為(wei)軟質巖(yan)(yan)(yan)(yan)(yan) 綜(zong)合課件(jian) 08定(ding)額(e)的(de)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)分(fen)為(wei)軟質巖(yan)(yan)(yan)(yan)(yan)、較(jiao)硬巖(yan)(yan)(yan)(yan)(yan)、堅(jian)硬巖(yan)(yan)(yan)(yan)(yan)與 99定(ding)額(e)里面的(de)松次堅(jian)石(shi)(shi)、普堅(jian)石(shi)(shi)怎么對應上(shang)啊(a) 目前我所能(neng)找(zhao)到的(de)答案(an)出處不(bu)是(shi)來自規(gui)范標(biao)(biao)準(zhun)我也很想找(zhao)到依(yi)據普氏(shi)分(fen)類很討厭在(zai)國(guo)內根本(ben)沒(mei)有可靠依(yi)據。 “巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)極限壓(ya)碎強(qiang)(qiang)度(du)”是(shi)一種(zhong)非標(biao)(biao)準(zhun)的(de)稱謂其(qi)正(zheng)確(que)的(de)稱謂應為(wei)“巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)堅(jian)固系(xi)(xi)數(shu)”或叫“普氏(shi)系(xi)(xi)數(shu)”。 巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)堅(jian)固系(xi)(xi)數(shu)普氏(shi)系(xi)(xi)數(shu)由俄羅斯學者于1926年提出今仍在(zai)礦山開采(cai)業和(he)勘探掘進中得(de)到廣范應用(yong)(yong)。我國(guo)建(jian)筑定(ding)額(e)也采(cai)用(yong)(yong)該系(xi)(xi)數(shu)區分(fen)施(shi)工(gong)巖(yan)(yan)(yan)(yan)(yan)體類別。 由于巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)的(de)堅(jian)固性(xing)(xing)區別于巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)的(de)強(qiang)(qiang)度(du)強(qiang)(qiang)度(du)值必定(ding)與某種(zhong)變形(xing)方式單軸壓(ya)縮(suo)、拉伸、剪切相聯系(xi)(xi)而(er)堅(jian)固性(xing)(xing)反映的(de)是(shi)巖(yan)(yan)(yan)(yan)(yan)石(shi)(shi)在(zai)幾種(zhong)變形(xing)方式的(de)組合作用(yong)(yong)下抵抗破壞的(de)能(neng)力。因為(wei)在(zai)鉆掘施(shi)工(gong)中往(wang)往(wang)不(bu)是(shi)采(cai)用(yong)(yong)純壓(ya)入(ru)或純回(hui)轉的(de)方。