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GH-1000指針式數顯混凝土貫入阻力儀

更新時間(jian):2019-03-19

簡要描述:

GH-1000指針式數(shu)顯(xian)混(hun)凝(ning)土貫入(ru)(ru)阻力(li)儀混(hun)凝(ning)土貫入(ru)(ru)阻力(li)儀主(zhu)要利用手動貫入(ru)(ru)阻力(li)法(fa)來測定混(hun)凝(ning)土凝(ning)結(jie)時間(jian)。適(shi)用于各類水(shui)泥、外加劑以及不同(tong)混(hun)凝(ning)土配合比,不同(tong)氣溫環境下的(de)混(hun)凝(ning)土拌合物,凝(ning)結(jie)時間(jian)的(de)試驗。外型設計輕巧美觀。采用杠桿原理,將測針力(li)直接由儀表讀數(shu),使試驗方便而又準(zhun)確(que)。產品符合GB/T50080

GH-1000指針式數顯混凝土貫入阻力儀混(hun)凝(ning)(ning)土貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)阻(zu)(zu)(zu)力(li)(li)儀(yi)(yi)主要利用(yong)(yong)手(shou)動(dong)貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)阻(zu)(zu)(zu)力(li)(li)法來測(ce)定混(hun)凝(ning)(ning)土凝(ning)(ning)結(jie)時(shi)(shi)間(jian)。適用(yong)(yong)于(yu)各(ge)類水泥、外加劑以及不(bu)同混(hun)凝(ning)(ning)土配合比,不(bu)同氣(qi)溫環境下(xia)(xia)(xia)的(de)(de)(de)(de)(de)混(hun)凝(ning)(ning)土拌合物,凝(ning)(ning)結(jie)時(shi)(shi)間(jian)的(de)(de)(de)(de)(de)試(shi)(shi)(shi)(shi)驗(yan)。外型設計輕(qing)巧美(mei)觀。采用(yong)(yong)杠桿原理,將測(ce)針(zhen)(zhen)(zhen)力(li)(li)直接(jie)由(you)儀(yi)(yi)表(biao)讀(du)數(shu)(shu)(shu)(shu)(shu),使(shi)試(shi)(shi)(shi)(shi)驗(yan)方(fang)(fang)便而又準確。產品符合GB/T50080、交(jiao)通(tong)部JTJ053標準要求。二、技術參數(shu)(shu)(shu)(shu)(shu):1、試(shi)(shi)(shi)(shi)料模 上(shang)(shang)口(kou)徑:160mm2、下(xia)(xia)(xia)口(kou)徑:150mm3、深度(du):150mm4、大貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)力(li)(li):1000N5、貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)深度(du):25mm6、貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)速度(du)(人工控(kong)制):2.5mm/S7、貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen)截面(mian)(mian)(mian)積:100mm2;50mm2;20mm28、貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)點(dian)(自(zi)選(xuan)(xuan)):13points9、測(ce)力(li)(li)方(fang)(fang)式(shi)(shi):電(dian)(dian)子(zi)數(shu)(shu)(shu)(shu)(shu)顯10、小分度(du)值(zhi)(zhi):1N11、示值(zhi)(zhi)誤差:±10N12、凈重:50KG三、操(cao)作(zuo)(zuo)說明:1、將儀(yi)(yi)器安放在水平(ping)(ping)(ping)的(de)(de)(de)(de)(de)平(ping)(ping)(ping)臺上(shang)(shang)。2、接(jie)上(shang)(shang)電(dian)(dian)源,按數(shu)(shu)(shu)(shu)(shu)顯器面(mian)(mian)(mian)板(ban)(ban)上(shang)(shang)的(de)(de)(de)(de)(de)電(dian)(dian)源”鍵,數(shu)(shu)(shu)(shu)(shu)顯窗(chuang)即(ji)(ji)(ji)(ji)顯示數(shu)(shu)(shu)(shu)(shu)碼。請通(tong)電(dian)(dian)10分鐘后(hou)(hou),使(shi)數(shu)(shu)(shu)(shu)(shu)顯值(zhi)(zhi)自(zi)動(dong)趨于(yu)0”。3、選(xuan)(xuan)裝(zhuang)上(shang)(shang)合適的(de)(de)(de)(de)(de)貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen)。350N對應初凝(ning)(ning)貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)阻(zu)(zu)(zu)力(li)(li)(即(ji)(ji)(ji)(ji)2~3.5Mpa,此時(shi)(shi)用(yong)(yong)100 mm2貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen));1000N對應中間(jian)貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)阻(zu)(zu)(zu)力(li)(li)(即(ji)(ji)(ji)(ji)3.5~20Mpa,此時(shi)(shi)用(yong)(yong)50 mm2貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen));560N對應終(zhong)凝(ning)(ning)貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)阻(zu)(zu)(zu)力(li)(li)(即(ji)(ji)(ji)(ji)20~28Mpa,此時(shi)(shi)用(yong)(yong)20mm2貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen))。4、料模中裝(zhuang)滿待測(ce)試(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)砼試(shi)(shi)(shi)(shi)料,抹平(ping)(ping)(ping)后(hou)(hou)放于(yu)儀(yi)(yi)器底板(ban)(ban)上(shang)(shang)。5、調(diao)整(zheng)(zheng)貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)深度(du)。混(hun)凝(ning)(ning)土貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)阻(zu)(zu)(zu)力(li)(li)儀(yi)(yi)一(yi)(yi)種方(fang)(fang)法是:先(xian)量(liang)出貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen)下(xia)(xia)(xia)端面(mian)(mian)(mian)與(yu)(yu)試(shi)(shi)(shi)(shi)料上(shang)(shang)平(ping)(ping)(ping)面(mian)(mian)(mian)的(de)(de)(de)(de)(de)距離(li)X(注意:X不(bu)得大于(yu)5mm,否則需適當下(xia)(xia)(xia)調(diao)貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen)),再(zai)(zai)將儀(yi)(yi)器頂部的(de)(de)(de)(de)(de)定長(chang)螺(luo)(luo)母下(xia)(xia)(xia)平(ping)(ping)(ping)面(mian)(mian)(mian)與(yu)(yu)蓋”的(de)(de)(de)(de)(de)上(shang)(shang)平(ping)(ping)(ping)面(mian)(mian)(mian)距離(li)調(diao)整(zheng)(zheng)到25+Xmm,然(ran)后(hou)(hou)再(zai)(zai)擰(ning)緊螺(luo)(luo)蓋,以鎖住25+X長(chang)度(du)。另(ling)一(yi)(yi)種方(fang)(fang)法是:壓下(xia)(xia)(xia)手(shou)柄使(shi)貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen)下(xia)(xia)(xia)端面(mian)(mian)(mian)與(yu)(yu)試(shi)(shi)(shi)(shi)料上(shang)(shang)平(ping)(ping)(ping)面(mian)(mian)(mian)保(bao)持平(ping)(ping)(ping)齊,然(ran)后(hou)(hou)調(diao)整(zheng)(zheng)儀(yi)(yi)器上(shang)(shang)部的(de)(de)(de)(de)(de)定長(chang)螺(luo)(luo)母,使(shi)之下(xia)(xia)(xia)平(ping)(ping)(ping)面(mian)(mian)(mian)與(yu)(yu)蓋”的(de)(de)(de)(de)(de)上(shang)(shang)平(ping)(ping)(ping)面(mian)(mian)(mian)距離(li)調(diao)到25mm并鎖住這一(yi)(yi)長(chang)度(du),再(zai)(zai)松(song)開手(shou)柄。以上(shang)(shang)兩(liang)種方(fang)(fang)法的(de)(de)(de)(de)(de)實際貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)深度(du)均為(wei)25mm。6、測(ce)試(shi)(shi)(shi)(shi)。首先(xian)按數(shu)(shu)(shu)(shu)(shu)顯面(mian)(mian)(mian)板(ban)(ban)上(shang)(shang)的(de)(de)(de)(de)(de)清零鍵清除傳感器的(de)(de)(de)(de)(de)初值(zhi)(zhi),即(ji)(ji)(ji)(ji)清零。再(zai)(zai)按測(ce)試(shi)(shi)(shi)(shi)鍵進入(ru)(ru)工作(zuo)(zuo)測(ce)試(shi)(shi)(shi)(shi)狀態,同時(shi)(shi)數(shu)(shu)(shu)(shu)(shu)顯板(ban)(ban)上(shang)(shang)*個(ge)燈(測(ce)試(shi)(shi)(shi)(shi)燈)亮,握住手(shou)柄向下(xia)(xia)(xia)轉(zhuan)動(dong),使(shi)貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen)接(jie)觸(chu)試(shi)(shi)(shi)(shi)料至貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)到深位置(25mm)的(de)(de)(de)(de)(de)過程控(kong)制在10秒鐘左(zuo)右。此時(shi)(shi)數(shu)(shu)(shu)(shu)(shu)顯出現峰(feng)值(zhi)(zhi), 同時(shi)(shi)數(shu)(shu)(shu)(shu)(shu)顯板(ban)(ban)上(shang)(shang)第二個(ge)燈(峰(feng)值(zhi)(zhi)燈)亮,讀(du)出數(shu)(shu)(shu)(shu)(shu)顯器的(de)(de)(de)(de)(de)顯示值(zhi)(zhi),做好紀錄,一(yi)(yi)次(ci)測(ce)試(shi)(shi)(shi)(shi)完成。初凝(ning)(ning)時(shi)(shi),使(shi)用(yong)(yong)1 cm2貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen),計算公(gong)式(shi)(shi)為(wei):P=N÷100(MPa);終(zhong)凝(ning)(ning)時(shi)(shi),使(shi)用(yong)(yong)0.2 cm2貫(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)針(zhen)(zhen)(zhen),計算公(gong)式(shi)(shi)為(wei):P=5 N÷100(MPa)高質量指GH-1000指針式數顯混凝土貫入阻力儀

GJ/T283-2012標準ZMS-T50型自密實混凝土T50坍落擴展度測定儀河北指針式數顯混凝土貫入阻力儀現貨

新拌自(zi)密實混凝土自(zi)密實性能測試方(fang)法(fa)

A.1 自密(mi)實混凝土坍落擴(kuo)展度(du)和T50試驗方(fang)法

A.1.1 本(ben)方法用(yong)于測量新拌自密實混凝土的填充性能。

A.1.2 儀(yi)器應(ying)符合下列要求:

1 混凝土坍落度(du)筒應(ying)符合現行(xing)行(xing)業標準《混凝土坍落度(du)儀(yi)》JG 3021相關規定。

2 底板(ban)應(ying)為(wei)硬質不吸(xi)水(shui)的光滑正方形平(ping)板(ban),邊長為(wei)1000mm,大撓度不超過3mm。在(zai)平(ping)板(ban)表面(mian)標出坍落(luo)度筒的中(zhong)心位置和直徑分別為(wei)500mm、600mm、700mm、800mm及(ji)900mm的同心圓,見圖A.1.2。

 

圖A.1.2 底板

3 ;鏟(chan)子、抹刀、鋼尺(精度1mm)、秒表、盛(sheng)料容器等(deng)輔助(zhu)工具。

A.1.3 試(shi)驗步驟(zou)應(ying)符合下列規(gui)定(ding):

1 潤濕底(di)板(ban)(ban)和(he)坍落(luo)度(du)筒,在坍落(luo)度(du)筒內壁和(he)底(di)板(ban)(ban)上應無(wu)明水(shui);底(di)板(ban)(ban)應放置(zhi)在堅實的水(shui)平(ping)面上,并把筒放在底(di)板(ban)(ban)中心,然后用腳踩(cai)住兩邊(bian)的腳踏(ta)板(ban)(ban),坍落(luo)度(du)筒在裝(zhuang)料時應保持在固定的位置(zhi)。

針式(shi)數顯(xian)混凝土貫入阻(zu)力儀現(xian)貨

河北指針式數顯混凝土貫入阻力儀現貨混(hun)凝(ning)土(tu)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)阻(zu)力儀(yi)(yi)主(zhu)要利用手(shou)動貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)阻(zu)力法(fa)來測(ce)定(ding)(ding)混(hun)凝(ning)土(tu)凝(ning)結時(shi)(shi)間(jian)。適(shi)用于各類水泥(ni)、外加劑以及不同混(hun)凝(ning)土(tu)配合比,不同氣溫環(huan)境(jing)下(xia)(xia)的(de)(de)(de)(de)混(hun)凝(ning)土(tu)拌合物(wu),凝(ning)結時(shi)(shi)間(jian)的(de)(de)(de)(de)試(shi)驗。外型(xing)設計(ji)輕(qing)巧美觀。采用杠(gang)桿原理,將(jiang)測(ce)針(zhen)(zhen)力直接(jie)由儀(yi)(yi)表讀數(shu)(shu)(shu),使試(shi)驗方(fang)(fang)便而又準確。產(chan)品符合GB/T50080、交(jiao)通部JTJ053標準要求。二(er)、技(ji)術參數(shu)(shu)(shu):1、試(shi)料(liao)(liao)模 上(shang)(shang)(shang)(shang)口(kou)徑:160mm2、下(xia)(xia)口(kou)徑:150mm3、深度(du)(du):150mm4、大貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)力:1000N5、貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)深度(du)(du):25mm6、貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)速度(du)(du)(人(ren)工控制):2.5mm/S7、貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen)截面(mian)積:100mm2;50mm2;20mm28、貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)點(dian)(自選):13points9、測(ce)力方(fang)(fang)式(shi)(shi):電子數(shu)(shu)(shu)顯(xian)(xian)10、小(xiao)分(fen)度(du)(du)值(zhi)(zhi)(zhi):1N11、示(shi)值(zhi)(zhi)(zhi)誤差:±10N12、凈重:50KG三(san)、操作說明:1、將(jiang)儀(yi)(yi)器(qi)(qi)(qi)安放(fang)在水平(ping)的(de)(de)(de)(de)平(ping)臺上(shang)(shang)(shang)(shang)。2、接(jie)上(shang)(shang)(shang)(shang)電源,按數(shu)(shu)(shu)顯(xian)(xian)器(qi)(qi)(qi)面(mian)板(ban)上(shang)(shang)(shang)(shang)的(de)(de)(de)(de)電源”鍵,數(shu)(shu)(shu)顯(xian)(xian)窗即(ji)顯(xian)(xian)示(shi)數(shu)(shu)(shu)碼。請通電10分(fen)鐘后(hou)(hou),使數(shu)(shu)(shu)顯(xian)(xian)值(zhi)(zhi)(zhi)自動趨于0”。3、選裝上(shang)(shang)(shang)(shang)合適(shi)的(de)(de)(de)(de)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen)。350N對(dui)應初凝(ning)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)阻(zu)力(即(ji)2~3.5Mpa,此(ci)時(shi)(shi)用100 mm2貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen));1000N對(dui)應中間(jian)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)阻(zu)力(即(ji)3.5~20Mpa,此(ci)時(shi)(shi)用50 mm2貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen));560N對(dui)應終(zhong)凝(ning)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)阻(zu)力(即(ji)20~28Mpa,此(ci)時(shi)(shi)用20mm2貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen))。4、料(liao)(liao)模中裝滿待測(ce)試(shi)的(de)(de)(de)(de)砼試(shi)料(liao)(liao),抹平(ping)后(hou)(hou)放(fang)于儀(yi)(yi)器(qi)(qi)(qi)底板(ban)上(shang)(shang)(shang)(shang)。5、調(diao)整(zheng)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)深度(du)(du)。混(hun)凝(ning)土(tu)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)阻(zu)力儀(yi)(yi)一(yi)種方(fang)(fang)法(fa)是:先量出(chu)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen)下(xia)(xia)端(duan)面(mian)與(yu)(yu)試(shi)料(liao)(liao)上(shang)(shang)(shang)(shang)平(ping)面(mian)的(de)(de)(de)(de)距(ju)離(li)(li)X(注意:X不得大于5mm,否(fou)則需(xu)適(shi)當下(xia)(xia)調(diao)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen)),再將(jiang)儀(yi)(yi)器(qi)(qi)(qi)頂部的(de)(de)(de)(de)定(ding)(ding)長螺(luo)母下(xia)(xia)平(ping)面(mian)與(yu)(yu)蓋(gai)”的(de)(de)(de)(de)上(shang)(shang)(shang)(shang)平(ping)面(mian)距(ju)離(li)(li)調(diao)整(zheng)到25+Xmm,然后(hou)(hou)再擰緊螺(luo)蓋(gai),以鎖(suo)住25+X長度(du)(du)。另一(yi)種方(fang)(fang)法(fa)是:壓下(xia)(xia)手(shou)柄使貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen)下(xia)(xia)端(duan)面(mian)與(yu)(yu)試(shi)料(liao)(liao)上(shang)(shang)(shang)(shang)平(ping)面(mian)保持平(ping)齊,然后(hou)(hou)調(diao)整(zheng)儀(yi)(yi)器(qi)(qi)(qi)上(shang)(shang)(shang)(shang)部的(de)(de)(de)(de)定(ding)(ding)長螺(luo)母,使之下(xia)(xia)平(ping)面(mian)與(yu)(yu)蓋(gai)”的(de)(de)(de)(de)上(shang)(shang)(shang)(shang)平(ping)面(mian)距(ju)離(li)(li)調(diao)到25mm并鎖(suo)住這一(yi)長度(du)(du),再松開手(shou)柄。以上(shang)(shang)(shang)(shang)兩種方(fang)(fang)法(fa)的(de)(de)(de)(de)實際(ji)貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)深度(du)(du)均為25mm。6、測(ce)試(shi)。首先按數(shu)(shu)(shu)顯(xian)(xian)面(mian)板(ban)上(shang)(shang)(shang)(shang)的(de)(de)(de)(de)清(qing)零鍵清(qing)除傳感(gan)器(qi)(qi)(qi)的(de)(de)(de)(de)初值(zhi)(zhi)(zhi),即(ji)清(qing)零。再按測(ce)試(shi)鍵進入(ru)(ru)(ru)工作測(ce)試(shi)狀態,同時(shi)(shi)數(shu)(shu)(shu)顯(xian)(xian)板(ban)上(shang)(shang)(shang)(shang)*個(ge)燈(deng)(測(ce)試(shi)燈(deng))亮(liang),握住手(shou)柄向下(xia)(xia)轉(zhuan)動,使貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen)接(jie)觸試(shi)料(liao)(liao)至貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)到深位置(25mm)的(de)(de)(de)(de)過程控制在10秒鐘左右。此(ci)時(shi)(shi)數(shu)(shu)(shu)顯(xian)(xian)出(chu)現峰(feng)值(zhi)(zhi)(zhi), 同時(shi)(shi)數(shu)(shu)(shu)顯(xian)(xian)板(ban)上(shang)(shang)(shang)(shang)第二(er)個(ge)燈(deng)(峰(feng)值(zhi)(zhi)(zhi)燈(deng))亮(liang),讀出(chu)數(shu)(shu)(shu)顯(xian)(xian)器(qi)(qi)(qi)的(de)(de)(de)(de)顯(xian)(xian)示(shi)值(zhi)(zhi)(zhi),做(zuo)好(hao)紀(ji)錄,一(yi)次測(ce)試(shi)完成。初凝(ning)時(shi)(shi),使用1 cm2貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen),計(ji)算(suan)(suan)公式(shi)(shi)為:P=N÷100(MPa);終(zhong)凝(ning)時(shi)(shi),使用0.2 cm2貫(guan)(guan)(guan)(guan)(guan)(guan)(guan)入(ru)(ru)(ru)針(zhen)(zhen),計(ji)算(suan)(suan)公式(shi)(shi)為:P=5 N÷100(MPa)高質量指

GJ/T283-2012標準ZMS-T50型自密實混凝土T50坍落擴展度測定儀河北指針式數顯混凝土貫入阻力儀現貨

新(xin)拌(ban)自密實(shi)混凝土自密實(shi)性能測試方法

A.1 自密實混凝土坍(tan)落擴展度和T50試驗方法

A.1.1 本方法用于測量(liang)新拌自密實混凝土(tu)的填充性能(neng)。

A.1.2 儀器應符合下(xia)列要求:

1 混凝(ning)土(tu)坍落(luo)度(du)(du)筒應符合現行(xing)行(xing)業標(biao)準《混凝(ning)土(tu)坍落(luo)度(du)(du)儀》JG 3021相(xiang)關規(gui)定。

2 底板(ban)應為(wei)硬質不(bu)吸水的(de)(de)光滑正方形平板(ban),邊長(chang)為(wei)1000mm,大撓度(du)不(bu)超過3mm。在平板(ban)表面標(biao)出(chu)坍落度(du)筒的(de)(de)中心位(wei)置和(he)直徑(jing)分別(bie)為(wei)500mm、600mm、700mm、800mm及900mm的(de)(de)同心圓,見(jian)圖(tu)A.1.2。

 

圖A.1.2 底板

3 鏟子、抹刀、鋼尺(chi)(精(jing)度1mm)、秒表、盛(sheng)料(liao)容(rong)器等輔助(zhu)工(gong)具。

A.1.3 試驗步驟應符合下列規定:

1 潤(run)濕底板(ban)和坍落(luo)度筒(tong),在坍落(luo)度筒(tong)內壁和底板(ban)上(shang)應無明水;底板(ban)應放置在堅實的水平(ping)面上(shang),并把筒(tong)放在底板(ban)中心,然后用(yong)腳踩(cai)住兩邊的腳踏板(ban),坍落(luo)度筒(tong)在裝料時(shi)應保持在固(gu)定的位(wei)置。

針(zhen)式數顯(xian)混凝(ning)土貫入阻(zu)力儀現貨

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    請(qing)輸入計算結果(填寫阿拉(la)伯數字),如:三加四=7
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