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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong></strong></p><p><strong>STJ-II<strong>�?重型手动击实�?/strong></strong>工艺精湛，性能优异，操作简单，控制精度高，可靠性好，完全满足试验要求。本公司从事试验仪器生产多年，具有较高的技术水平和技术优势！我公司秉承诚信为本，为客户争取大的实惠！上海魅宇仪器设备有限公司生产的产品一经售出，可享受一年的保修期，保修期自产品出售之日起计算，保修期内产品出现任何故障免收所有维修费用（客户使用不当而造成损坏者除外）、�/p><p><strong>STJ-II<strong>�?重型手动击实�?/strong></strong>使用范围９�/p><p>该仪器适用于按GB/T 50123-1999《土工试验方法标准》、JTJ 051-93《公路土工试验规程》等标准中制作土工试样时手工击实之用（试样用于承载比试验，回弹模量试验等），击实仪分轻型和重型两种，轻型击实适用于粒径≤5mm的粘性土，重型击实适用于粒径≤20mm的土，采用三层击实时，大粒径�?0mm、�/p><p>推荐产品<a>流平实验�?/p><p>技术参数：</p><p>试验方法 轻型 重型 </p><p>锤底直径mm 51 51 </p><p>锤质量kg 2.5 4.5 </p><p>落高mm 305 457 </p><p>击实筒内径mm 102 152 </p><p>击实筒筒高mm 116 116 </p><p>击实筒容积cm3 947.4 2103.9 </p><p>护筒高度mm 50 50 </p><p>击实次数(GB/T 50123) 3层，每层25� 5层，每层56�?3层，每层94� </p><p>击实次数(JTJ 051) 3层，每层27次或59� 5层，每层27�?3层每�?8� </p><p>注意事项９�/p><p>1.每次使用后，应洗净擦干、�/p><p>2.非试验人员不得使用本仪器、�/p><p>3. 试验在进行过程中不得离开或与人闲谈、�/p><p>4.应放置在无尘、无腐蚀常温的环境中、�/p><p>5.使用本产品前，请仔细阅读说明书，并妥善保管好说明书、�/p><p>计算与制图说�?</p><p>手动轻型和手动重型击实仪计算方法相同、�/p><p>�?）按下式计算击实后各点的干质量密度：.</p><p>（计算至0.01g/cm�?</p><p>式中pd——干质量密度（g/m）；.</p><p>po——湿质量密度（g/m）；.</p><p>w1——含水量�?）、�/p><p>�?）以干质量密度为纵座标，含水量为横座标，绘制干质量密度与含水量的关系曲线，曲线上峰值点的纵、横座标分别表示土的大质量干密度和较合适含水量、�/p><p>使用说明９�/p><p>�?）将击实仪放在坚实地面上，取制备好的试样600�?00g倒入筒内，整平其表面，并用圆木板稍加压紧，然后按附表4.1规定的击实次数进行击实。击实时击锤应自由铅直落下，落高也按附表4.1调试正确，锤迹必须均匀分布于土面。然后安装套环，把土面刨成毛面，重复上述步骤进行第二层及第三层的击实，击实后超出击实筒的余土高度不得大于6mm、�/p><p>�?）用修土刀沿套环内壁削挖后，扭动并取下套环，齐筒顶细心削平试样，拆除底板，如试样底面超出筒外亦应削平。擦净筒外壁，称质量，准确�?g、�/p><p>�?）用推土器推出击实筒内试样，从试样中心处�?个各�?5�?0g土测定其含水量。计算至0.1%，其平行误差不得超过1%、�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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