新型改進抗氯離子滲透性試驗裝置

新型改進抗氯離子滲透性試驗裝置涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)抗氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)滲(shen)透性試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)裝(zhuang)置(zhi)JTJ275-2000混(hun)凝土表(biao)面(mian)(mian)涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)抗氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)滲(shen)透性試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)裝(zhuang)置(zhi)HR-LLS1型新興海洋工程中(zhong)測定(ding)(ding)(ding)防(fang)腐涂(tu)(tu)(tu)料(liao)氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)滲(shen)透量(liang)的(de)重(zhong)要性。具(ju)體(ti)介紹了一種測定(ding)(ding)(ding)氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)含(han)量(liang)的(de)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)方(fang)(fang)法(fa)(fa)。JTJ275-2000混(hun)凝土表(biao)面(mian)(mian)涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)抗氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)滲(shen)透性試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)裝(zhuang)置(zhi)涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)抗氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)滲(shen)透性試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)裝(zhuang)置(zhi)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)板制備試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)用(yong)涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)片的(de)制作采用(yong)150mm×150mm的(de)涂(tu)(tu)(tu)料(liao)細度紙(zhi)作增強材(cai)料(liao)，將其平鋪于玻璃板上，將試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)的(de)配套涂(tu)(tu)(tu)料(liao)依(yi)照其制板要求施(shi)涂(tu)(tu)(tu)底漆(qi)(qi)、中(zhong)涂(tu)(tu)(tu)漆(qi)(qi)、面(mian)(mian)漆(qi)(qi)。每道(dao)涂(tu)(tu)(tu)膜(mo)施(shi)涂(tu)(tu)(tu)后(hou)，應(ying)立即將細度紙(zhi)掀離(li)(li)(li)(li)玻璃板并懸掛(gua)在繩子(zi)(zi)(zi)(zi)上，經(jing)24h再涂(tu)(tu)(tu)下(xia)一道(dao)。按(an)此方(fang)(fang)法(fa)(fa)共制作4張涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)片。制成后(hou)，懸掛(gua)在室(shi)內(nei)自然(ran)養護28d（根(gen)據涂(tu)(tu)(tu)料(liao)的(de)干性而定(ding)(ding)(ding)）。涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)抗氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)滲(shen)透性試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)裝(zhuang)置(zhi)測試(shi)(shi)(shi)(shi)(shi)(shi)(shi)方(fang)(fang)法(fa)(fa)將制得的(de)活(huo)動涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)片剪成直(zhi)徑(jing)為60mm的(de)圓形試(shi)(shi)(shi)(shi)(shi)(shi)(shi)件(jian)(jian)，按(an)圖2所示(shi)方(fang)(fang)法(fa)(fa)進行(xing)抗氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)滲(shen)透性試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)。使試(shi)(shi)(shi)(shi)(shi)(shi)(shi)件(jian)(jian)涂(tu)(tu)(tu)漆(qi)(qi)的(de)一面(mian)(mian)朝向3%NaCl溶(rong)液(ye)(ye)（可用(yong)海水(shui)(shui)(shui)、江水(shui)(shui)(shui)或(huo)與(yu)(yu)施(shi)工現場相(xiang)近濃(nong)(nong)度的(de)氯(lv)(lv)(lv)化(hua)鈉(na)溶(rong)液(ye)(ye)），細度紙(zhi)的(de)另一面(mian)(mian)朝向蒸(zheng)(zheng)(zheng)餾水(shui)(shui)(shui)，共用(yong)3個組裝(zhuang)置(zhi)。置(zhi)于室(shi)內(nei)常(chang)溫條(tiao)件(jian)(jian)下(xia)進行(xing)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)，經(jing)過30d后(hou)，用(yong)LC-4通用(yong)微機庫侖儀測定(ding)(ding)(ding)蒸(zheng)(zheng)(zheng)餾水(shui)(shui)(shui)中(zhong)的(de)氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)含(han)量(liang)。并同時測定(ding)(ding)(ding)空白試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)。 涂(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)抗氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)滲(shen)透性試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)裝(zhuang)置(zhi)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)結果(guo)表(biao)示(shi)按(an)下(xia)式計算(suan)氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)的(de)滲(shen)透量(liang)：式中(zhong)：S——氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)滲(shen)透量(liang)，mg/（cm2·d）；C樣——3%NaCl溶(rong)液(ye)(ye)滲(shen)透到(dao)蒸(zheng)(zheng)(zheng)餾水(shui)(shui)(shui)中(zhong)氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)濃(nong)(nong)度，mg/L；C空——空白試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)蒸(zheng)(zheng)(zheng)餾水(shui)(shui)(shui)中(zhong)氯(lv)(lv)(lv)離(li)(li)(li)(li)子(zi)(zi)(zi)(zi)濃(nong)(nong)度，mg/L；V——蒸(zheng)(zheng)(zheng)餾水(shui)(shui)(shui)體(ti)積，mL；D——漆(qi)(qi)膜(mo)與(yu)(yu)NaCl溶(rong)液(ye)(ye)或(huo)水(shui)(shui)(shui)接觸面(mian)(mian)直(zhi)徑(jing)，mm；d——試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)天數(shu)

 土(tu)(tu)壤(rang)縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)試(shi)(shi)(shi)(shi)驗(yan)(yan)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)簡介(jie)一 土(tu)(tu)壤(rang)縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)試(shi)(shi)(shi)(shi)驗(yan)(yan)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)是根據交(jiao)通(tong)運輸部(bu)行(xing)業標準JTG E40-2007《公路工程土(tu)(tu)工試(shi)(shi)(shi)(shi)驗(yan)(yan)規(gui)程》中T0120—2007《縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)試(shi)(shi)(shi)(shi)驗(yan)(yan)》定(ding)制生產的(de)(de)。用(yong)于擾動的(de)(de)黏質(zhi)土(tu)(tu)在(zai)飽和狀(zhuang)態下(xia)，因(yin)干(gan)燥收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)至體(ti)(ti)積不變(bian)時的(de)(de)含(han)水率(lv)。 該產品適用(yong)于粒(li)徑小于0.5mm和有(you)機(ji)質(zhi)含(han)量不超過5%的(de)(de)土(tu)(tu)。 二(er)、TD120—1型(xing)(xing)土(tu)(tu)壤(rang)縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)試(shi)(shi)(shi)(shi)驗(yan)(yan)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)技術(shu)參數(shu) 直徑50mm 高度30mm 壁厚1mm 三、土(tu)(tu)壤(rang)縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)試(shi)(shi)(shi)(shi)驗(yan)(yan)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)試(shi)(shi)(shi)(shi)驗(yan)(yan)步驟 1 制備土(tu)(tu)樣(yang)(yang):取具有(you)代表性的(de)(de)土(tu)(tu)樣(yang)(yang)，制備成含(han)水率(lv)大(da)(da)于液(ye)(ye)(ye)限(xian)(xian)(xian)(xian)的(de)(de)土(tu)(tu)膏。 2 在(zai)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)皿(min)(min)內涂一薄層凡士林(lin)，將(jiang)(jiang)土(tu)(tu)樣(yang)(yang)分(fen)層裝(zhuang)入(ru)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)內，每次裝(zhuang)入(ru)后(hou)(hou)將(jiang)(jiang)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)底拍擊試(shi)(shi)(shi)(shi)驗(yan)(yan)臺，直至驅盡(jin)氣泡為(wei)止(zhi)。 3 土(tu)(tu)樣(yang)(yang)裝(zhuang)滿后(hou)(hou)，用(yong)刀(dao)或直尺(chi)刮去多(duo)余土(tu)(tu)樣(yang)(yang)，立(li)即(ji)稱收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)皿(min)(min)加濕(shi)土(tu)(tu)質(zhi)量。 4 將(jiang)(jiang)盛滿土(tu)(tu)樣(yang)(yang)的(de)(de)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)皿(min)(min)放(fang)在(zai)通(tong)風處(chu)風干(gan)，待(dai)土(tu)(tu)樣(yang)(yang)顏色變(bian)淡后(hou)(hou)，放(fang)入(ru)烘(hong)箱中烘(hong)至恒(heng)量，然后(hou)(hou)放(fang)在(zai)干(gan)燥器中冷卻(que)。 5 稱收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)皿(min)(min)和干(gan)土(tu)(tu)總質(zhi)量，準確至0.01g。 6 用(yong)蠟封法(fa)測(ce)定(ding)試(shi)(shi)(shi)(shi)樣(yang)(yang)體(ti)(ti)積。 四、 TD120—1型(xing)(xing)土(tu)(tu)壤(rang)縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)試(shi)(shi)(shi)(shi)驗(yan)(yan)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)結(jie)果整理 1 縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)：含(han)水率(lv)達液(ye)(ye)(ye)限(xian)(xian)(xian)(xian)的(de)(de)土(tu)(tu)在(zai)105110下(xia)水分(fen)繼續蒸發(fa)至體(ti)(ti)積不變(bian)時的(de)(de)含(han)水率(lv)，叫做縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)，用(yong)下(xia)式計算(suan)(suan)。 Ws=w- （V1-V2）/ms×w×100 (T0120-1) 式中：Ws—-縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)（)，計算(suan)(suan)至0.1; w —-試(shi)(shi)(shi)(shi)驗(yan)(yan)前試(shi)(shi)(shi)(shi)樣(yang)(yang)含(han)水率(lv)(); V1 ——濕(shi)試(shi)(shi)(shi)(shi)件(jian)(jian)體(ti)(ti)積(即(ji)收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)皿(min)(min)容積)(cm3); V2 ——干(gan)試(shi)(shi)(shi)(shi)件(jian)(jian)體(ti)(ti)積(cm3); Ms ——干(gan)試(shi)(shi)(shi)(shi)件(jian)(jian)質(zhi)量(g); Pw ——水的(de)(de)密度，=1g/cm3。 2 收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)指數(shu):液(ye)(ye)(ye)限(xian)(xian)(xian)(xian)與縮(suo)(suo)(suo)(suo)(suo)(suo)限(xian)(xian)(xian)(xian)之差稱收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)指數(shu)，按下(xia)式計算(suan)(suan)。 1s=wL-W (T0120-2) 式中：1S——收(shou)(shou)縮(suo)(suo)(suo)(suo)(suo)(suo)指數(shu)(),計算(suan)(suan)至0.1; W^L ——土(tu)(tu)的(de)(de)液(ye)(ye)(ye)限(xian)(xian)(xian)(xian)()。 3 本試(shi)(shi)(shi)(shi)驗(yan)(yan)記錄格(ge)式如表T 01204所示 4 精密度和允許差。 本試(shi)(shi)(shi)(shi)驗(yan)(yan)需進(jin)行(xing)二(er)次平行(xing)測(ce)定(ding)，取其算(suan)(suan)術(shu)平均值(zhi)(zhi)，計算(suan)(suan)至0.1%。平行(xing)差值(zhi)(zhi)，高液(ye)(ye)(ye)限(xian)(xian)(xian)(xian)土(tu)(tu)不得大(da)(da)于2%,低液(ye)(ye)(ye)限(xian)(xian)(xian)(xian)土(tu)(tu)不得大(da)(da)于1%。