井(jing)徑儀(yi) 地質鉆(zhan)(zhan)孔(kong)檢測儀(yi) 鉆(zhan)(zhan)孔(kong)孔(kong)徑分析儀(yi)

型(xing)號：GR/JJY-2

一、北京井徑儀用(yong)途
　本(ben)儀器(qi)是用于測(ce)(ce)(ce)量(liang)(liang)地質鉆孔(kong)(kong)、工程(cheng)鉆孔(kong)(kong)孔(kong)(kong)徑(jing)(jing)的(de)井下儀器(qi)，通過測(ce)(ce)(ce)量(liang)(liang)并計算(suan)孔(kong)(kong)徑(jing)(jing)的(de)平(ping)均直徑(jing)(jing)獲得(de)鉆孔(kong)(kong)的(de)直徑(jing)(jing)資料(liao)。本(ben)儀器(qi)可作為本(ben)公司鉆孔(kong)(kong)灌注樁孔(kong)(kong)徑(jing)(jing)檢(jian)測(ce)(ce)(ce)系統的(de)配套儀器(qi)。本(ben)(ben)(ben)儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)是用(yong)于測(ce)量地質(zhi)鉆孔(kong)(kong)(kong)(kong)(kong)、工(gong)程鉆孔(kong)(kong)(kong)(kong)(kong)孔(kong)(kong)(kong)(kong)(kong)徑(jing)的(de)(de)(de)井下(xia)儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)，通過(guo)測(ce)量并計算孔(kong)(kong)(kong)(kong)(kong)徑(jing)的(de)(de)(de)平(ping)均直徑(jing)獲得鉆孔(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)直徑(jing)資(zi)料(liao)。本(ben)(ben)(ben)儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)可(ke)作為(wei)本(ben)(ben)(ben)公司(si)鉆孔(kong)(kong)(kong)(kong)(kong)灌注(zhu)(zhu)樁孔(kong)(kong)(kong)(kong)(kong)徑(jing)檢測(ce)系統的(de)(de)(de)配套儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)。本(ben)(ben)(ben)儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)是用(yong)于測(ce)量地質(zhi)鉆孔(kong)(kong)(kong)(kong)(kong)、工(gong)程鉆孔(kong)(kong)(kong)(kong)(kong)孔(kong)(kong)(kong)(kong)(kong)徑(jing)的(de)(de)(de)井下(xia)儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)，通過(guo)測(ce)量并計算孔(kong)(kong)(kong)(kong)(kong)徑(jing)的(de)(de)(de)平(ping)均直徑(jing)獲得鉆孔(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)直徑(jing)資(zi)料(liao)。本(ben)(ben)(ben)儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)可(ke)作為(wei)本(ben)(ben)(ben)公司(si)鉆孔(kong)(kong)(kong)(kong)(kong)灌注(zhu)(zhu)樁孔(kong)(kong)(kong)(kong)(kong)徑(jing)檢測(ce)系統的(de)(de)(de)配套儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)。本(ben)(ben)(ben)儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)是用(yong)于測(ce)量地質(zhi)鉆孔(kong)(kong)(kong)(kong)(kong)、工(gong)程鉆孔(kong)(kong)(kong)(kong)(kong)孔(kong)(kong)(kong)(kong)(kong)徑(jing)的(de)(de)(de)井下(xia)儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)，通過(guo)測(ce)量并計算孔(kong)(kong)(kong)(kong)(kong)徑(jing)的(de)(de)(de)平(ping)均直徑(jing)獲得鉆孔(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)直徑(jing)資(zi)料(liao)。本(ben)(ben)(ben)儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)可(ke)作為(wei)本(ben)(ben)(ben)公司(si)鉆孔(kong)(kong)(kong)(kong)(kong)灌注(zhu)(zhu)樁孔(kong)(kong)(kong)(kong)(kong)徑(jing)檢測(ce)系統的(de)(de)(de)配套儀(yi)(yi)(yi)器(qi)(qi)(qi)(qi)。根據測得(de)的井徑曲(qu)線可以(yi)應(ying)用于(yu)以(yi)下幾(ji)個方面：
  1、北京井徑儀確定固(gu)井時所需(xu)的水泥(ni)數量；
  2、供(gong)橫向(xiang)測(ce)井(jing)解釋和(he)放射性測(ce)井(jing)解釋所必須(xu)的井(jing)徑資料；
  3、根據井徑(jing)曲線可解釋井壁(bi)塌崩的(de)位置；
  4、根(gen)據井徑大小的變化適當選擇套管的固定位置；
  5、確定井孔(kong)的(de)地質柱(zhu)狀(zhuang)剖面(mian)。

二、技術指標 
  1、適用井(jing)徑范圍(wei)：Φ500mm～1200mm，選配(pei)安裝200mm的擴展(zhan)腿，測量范圍(wei)可擴展(zhan)至1600mm。
  2、直徑測量誤(wu)差：＜±15mm。
  3、zui大工(gong)作壓強：20MPa。
  4、zui大工(gong)作溫度(du)：90℃。
  5、靈敏度：在供(gong)電(dian)電(dian)流1mA時(shi)，靈敏度不低于(yu)10mV/10cm。
  6、絕(jue)緣(yuan)性能：在正常條(tiao)件下，外殼的(de)絕(jue)緣(yuan)電阻不小于100MΩ/500V，在潮濕的(de)環境下不小于2MΩ/500V。