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一(yi),巖(yan)石(shi)(shi)(shi)變角/圓(yuan)角剪(jian)(jian)切(qie)(qie)夾具(ju)基本(ben)原(yuan)理 參(can)照(zhao)標準TB10115-2014鐵路工程(cheng)巖(yan)石(shi)(shi)(shi)試(shi)(shi)驗(yan)規程(cheng)巖(yan)石(shi)(shi)(shi)的剪(jian)(jian)切(qie)(qie)強(qiang)(qiang)度是巖(yan)石(shi)(shi)(shi)抵(di)抗剪(jian)(jian)應力(li)破(po)壞的能力(li),目前室內測定巖(yan)石(shi)(shi)(shi)剪(jian)(jian)切(qie)(qie)強(qiang)(qiang)度的試(shi)(shi)驗(yan)方法很(hen)多,如(ru)單面和雙面剪(jian)(jian)切(qie)(qie)等(deng)直接剪(jian)(jian)切(qie)(qie)試(shi)(shi)驗(yan)和變角板法,沖(chong)孔試(shi)(shi)驗(yan)以及三(san)軸(zhou)試(shi)(shi)驗(yan)等(deng)。

多(duo)功能巖(yan)石(shi)直剪試(shi)(shi)驗(yan)儀是一套通過(guo)(guo)多(duo)種(zhong)組件的(de)(de)組合(he)既(ji)能完成(cheng)巖(yan)石(shi)力(li)(li)學(xue)性(xing)(xing)(xing)質(zhi)，又能開(kai)展土(tu)的(de)(de)力(li)(li)學(xue)性(xing)(xing)(xing)質(zhi)的(de)(de)新型試(shi)(shi)驗(yan)儀器，已作過(guo)(guo)多(duo)項巖(yan)土(tu)力(li)(li)學(xue)性(xing)(xing)(xing)質(zhi)的(de)(de)測試(shi)(shi)，開(kai)展過(guo)(guo)與(yu)國內外同項測試(shi)(shi)指標的(de)(de)對比試(shi)(shi)驗(yan)，測試(shi)(shi)成(cheng)果(guo)具有高的(de)(de)相(xiang)近性(xing)(xing)(xing)或準確性(xing)(xing)(xing)，在多(duo)項大的(de)(de)工程開(kai)展過(guo)(guo)巖(yan)土(tu)力(li)(li)學(xue)性(xing)(xing)(xing)質(zhi)試(shi)(shi)驗(yan)，成(cheng)果(guo)已應(ying)用在科研、生產(chan)方(fang)面效(xiao)果(guo)好，可信度高。

巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)比(bi)長(chang)儀(yi)JGJ52-2006巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)柱法(fa)(fa)測(ce)(ce)長(chang)儀(yi) 巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)測(ce)(ce)長(chang)儀(yi) 巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)柱法(fa)(fa)比(bi)長(chang)儀(yi) 巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)比(bi)長(chang)儀(yi) 巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)柱法(fa)(fa)測(ce)(ce)長(chang)儀(yi)巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)比(bi)長(chang)儀(yi)JGJ52-2006巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)柱法(fa)(fa)測(ce)(ce)長(chang)儀(yi) 巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)測(ce)(ce)長(chang)儀(yi) 巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)柱法(fa)(fa)比(bi)長(chang)儀(yi) 巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)比(bi)長(chang)儀(yi) 巖(yan)(yan)(yan)石(shi)(shi)(shi)(shi)柱法(fa)(fa)測(ce)(ce)長(chang)儀(yi)

干燥時(shi)間(jian)(jian)鋁板(ban)用于(yu)(yu)建筑防水涂(tu)料干燥時(shi)間(jian)(jian)試驗(yan)(yan)(yan)用 ， 長×寬×高（厚）：120×50×2.5mm 表干時(shi)間(jian)(jian)，試驗(yan)(yan)(yan)器鋁板(ban)、工(gong)具(ju)、涂(tu)料應在(zai)標(biao)(biao)準(zhun)(zhun)試驗(yan)(yan)(yan)條件(jian)下放置24h以上(shang)。 在(zai)標(biao)(biao)準(zhun)(zhun)試驗(yan)(yan)(yan)條件(jian)下，用線棒涂(tu)布器將按生產廠要求混合攪拌(ban)均(jun)勻的樣品涂(tu)布在(zai)鋁板(ban)上(shang)制(zhi)備涂(tu)膜，涂(tu)布面積為（100×50）mm，記錄涂(tu)布結束時(shi)間(jian)(jian)，對于(yu)(yu)多組(zu)分涂(tu)料從混合開始記錄時(shi)間(jian)(jian)。

鋼筋正(zheng)反彎曲(qu)裝(zhuang)置(zhi) 一、簡(jian)介： 適用(yong)于《GB/T1499.2-2018鋼筋混凝土用(yong)鋼 第2部分： 熱軋帶肋鋼筋》是(shi)一種(zhong)結構(gou)簡(jian)單，工作穩定(ding)可靠，能提供(gong)準確且足夠承載(zai)力的反向彎曲(qu)支點的夾具 。