混凝(ning)(ning)(ning)土(tu)貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)阻(zu)力(li)(li)儀(yi)(yi)(yi)(yi)主要利用(yong)(yong)手(shou)(shou)動(dong)貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)阻(zu)力(li)(li)法(fa)(fa)來測(ce)定混凝(ning)(ning)(ning)土(tu)凝(ning)(ning)(ning)結時間。適用(yong)(yong)于各類水泥、外(wai)加劑以(yi)及不同(tong)混凝(ning)(ning)(ning)土(tu)配合(he)(he)比(bi)，不同(tong)氣溫環境下(xia)的(de)(de)混凝(ning)(ning)(ning)土(tu)拌合(he)(he)物，凝(ning)(ning)(ning)結時間的(de)(de)試驗(yan)。外(wai)型設(she)計輕巧美觀。采用(yong)(yong)杠桿原理，將(jiang)(jiang)(jiang)測(ce)針(zhen)(zhen)力(li)(li)直(zhi)接由儀(yi)(yi)(yi)(yi)表讀數，使(shi)試驗(yan)方便而又準(zhun)確。產品符合(he)(he)GB/T50080、交(jiao)通(tong)部JTJ053標準(zhun)要求(qiu)。 二、技術參(can)數： 1、試料(liao)模(mo) 上(shang)(shang)(shang)口徑：160mm 2、下(xia)口徑：150mm 3、深(shen)(shen)度(du)(du)：150mm 4、大貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)力(li)(li)：1000N 5、貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)深(shen)(shen)度(du)(du)：25mm 6、貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)速(su)度(du)(du)（人工控制(zhi)(zhi)）：2.5mm/S 7、貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)截面(mian)(mian)(mian)(mian)積：100mm2；50mm2；20mm2 8、貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)點(dian)（自(zi)(zi)選(xuan)）：13points 9、測(ce)力(li)(li)方式(shi)：電(dian)子數顯(xian)(xian)(xian)(xian)(xian) 10、小分度(du)(du)值(zhi)(zhi)：1N 11、示值(zhi)(zhi)誤(wu)差：±10N 12、凈重：50KG 三、操作說明： 1、將(jiang)(jiang)(jiang)儀(yi)(yi)(yi)(yi)器(qi)(qi)安(an)放在(zai)水平(ping)(ping)的(de)(de)平(ping)(ping)臺上(shang)(shang)(shang)。 2、接上(shang)(shang)(shang)電(dian)源(yuan)，按(an)數顯(xian)(xian)(xian)(xian)(xian)器(qi)(qi)面(mian)(mian)(mian)(mian)板(ban)上(shang)(shang)(shang)的(de)(de)電(dian)源(yuan)”鍵，數顯(xian)(xian)(xian)(xian)(xian)窗即顯(xian)(xian)(xian)(xian)(xian)示數碼。請通(tong)電(dian)10分鐘(zhong)后，使(shi)數顯(xian)(xian)(xian)(xian)(xian)值(zhi)(zhi)自(zi)(zi)動(dong)趨于0”。 3、選(xuan)裝(zhuang)上(shang)(shang)(shang)合(he)(he)適的(de)(de)貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)。350N對應(ying)初(chu)凝(ning)(ning)(ning)貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)阻(zu)力(li)(li)（即2~3.5Mpa,此(ci)(ci)時用(yong)(yong)100 mm2貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)）；1000N對應(ying)中間貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)阻(zu)力(li)(li)（即3.5~20Mpa,此(ci)(ci)時用(yong)(yong)50 mm2貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)）；560N對應(ying)終凝(ning)(ning)(ning)貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)阻(zu)力(li)(li)（即20~28Mpa,此(ci)(ci)時用(yong)(yong)20mm2貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)）。 4、料(liao)模(mo)中裝(zhuang)滿(man)待測(ce)試的(de)(de)砼試料(liao)，抹平(ping)(ping)后放于儀(yi)(yi)(yi)(yi)器(qi)(qi)底板(ban)上(shang)(shang)(shang)。 5、調整貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)深(shen)(shen)度(du)(du)。 混凝(ning)(ning)(ning)土(tu)貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)阻(zu)力(li)(li)儀(yi)(yi)(yi)(yi)一(yi)(yi)種方法(fa)(fa)是：先量出貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)下(xia)端面(mian)(mian)(mian)(mian)與試料(liao)上(shang)(shang)(shang)平(ping)(ping)面(mian)(mian)(mian)(mian)的(de)(de)距離X（注意：X不得大于5mm，否則需適當下(xia)調貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)），再(zai)將(jiang)(jiang)(jiang)儀(yi)(yi)(yi)(yi)器(qi)(qi)頂部的(de)(de)定長(chang)(chang)螺(luo)母(mu)下(xia)平(ping)(ping)面(mian)(mian)(mian)(mian)與蓋”的(de)(de)上(shang)(shang)(shang)平(ping)(ping)面(mian)(mian)(mian)(mian)距離調整到(dao)25+Xmm，然(ran)后再(zai)擰緊(jin)螺(luo)蓋，以(yi)鎖住25+X長(chang)(chang)度(du)(du)。 另一(yi)(yi)種方法(fa)(fa)是：壓下(xia)手(shou)(shou)柄(bing)使(shi)貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)下(xia)端面(mian)(mian)(mian)(mian)與試料(liao)上(shang)(shang)(shang)平(ping)(ping)面(mian)(mian)(mian)(mian)保持平(ping)(ping)齊，然(ran)后調整儀(yi)(yi)(yi)(yi)器(qi)(qi)上(shang)(shang)(shang)部的(de)(de)定長(chang)(chang)螺(luo)母(mu)，使(shi)之下(xia)平(ping)(ping)面(mian)(mian)(mian)(mian)與蓋”的(de)(de)上(shang)(shang)(shang)平(ping)(ping)面(mian)(mian)(mian)(mian)距離調到(dao)25mm并鎖住這(zhe)一(yi)(yi)長(chang)(chang)度(du)(du)，再(zai)松(song)開手(shou)(shou)柄(bing)。 以(yi)上(shang)(shang)(shang)兩種方法(fa)(fa)的(de)(de)實際貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)深(shen)(shen)度(du)(du)均為(wei)25mm。 6、測(ce)試。首先按(an)數顯(xian)(xian)(xian)(xian)(xian)面(mian)(mian)(mian)(mian)板(ban)上(shang)(shang)(shang)的(de)(de)清零鍵清除(chu)傳感器(qi)(qi)的(de)(de)初(chu)值(zhi)(zhi)，即清零。再(zai)按(an)測(ce)試鍵進(jin)入(ru)(ru)(ru)(ru)(ru)工作測(ce)試狀態，同(tong)時數顯(xian)(xian)(xian)(xian)(xian)板(ban)上(shang)(shang)(shang)個燈（測(ce)試燈）亮,握住手(shou)(shou)柄(bing)向下(xia)轉動(dong)，使(shi)貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)接觸試料(liao)至貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)到(dao)深(shen)(shen)位(wei)置（25mm）的(de)(de)過程控制(zhi)(zhi)在(zai)10秒鐘(zhong)左右。此(ci)(ci)時數顯(xian)(xian)(xian)(xian)(xian)出現峰值(zhi)(zhi), 同(tong)時數顯(xian)(xian)(xian)(xian)(xian)板(ban)上(shang)(shang)(shang)第二個燈（峰值(zhi)(zhi)燈）亮,讀出數顯(xian)(xian)(xian)(xian)(xian)器(qi)(qi)的(de)(de)顯(xian)(xian)(xian)(xian)(xian)示值(zhi)(zhi)，做好紀錄，一(yi)(yi)次測(ce)試完成。 初(chu)凝(ning)(ning)(ning)時，使(shi)用(yong)(yong)1 cm2貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)，計算公(gong)式(shi)為(wei)：P=N÷100（MPa）； 終凝(ning)(ning)(ning)時，使(shi)用(yong)(yong)0.2 cm2貫(guan)(guan)(guan)(guan)入(ru)(ru)(ru)(ru)(ru)針(zhen)(zhen)，計算公(gong)式(shi)為(wei)：P=5 N÷100（MPa）。
