新标准灌砂法密度试验�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong><strong>新标准灌砂法密度试验�?/strong></strong>概述９�/p><p> 主要为开挖料的粉砂土和砂砾土，采用相对密度做为设计压实指标。本工程采用《公路土工试验规程》新型灌砂法进行填筑压实后的密度检测供应商河北大宏实验仪器有限公司，利用新型灌砂法进行了大量密度试验，事实证明新型灌砂法在本工程试验检测中是经济适用的、�/p><p>行业标准９�/p><p><strong>新标准灌砂法密度试验�?/strong>符合现行土工试验方法标准GBT50123-2019</p><p>结构组成９�/p><p> 主要有：1.漏斗�?.漏斗架；3.防风筒；4.套环附有3个固定器、�/p><p>试验原理９�/p><p> 密度试验方法即包括测定试样体积Ｖ和质量ｍ� 试验时，将土充满给定容积Ｖ的容器，然后称取该� 积土的质量ｍ＋�/p><p><strong><strong>新标准灌砂法密度试验�?/strong></strong>操作步骤</p><p>　　1.在试验地点，将面积约400c�?#215;40c㎡的一块地面铲平。如检查填土压实密度时应将表面未压实土层清除掉，并将压实土层铲去一部分（其深度视需要而定），使试坑底能达到规定的取土深度、�/p><p>　　附图4.2 灌砂法质量密度试验仪供应商河北大宏实验仪器有限公号�/p><p> 2.称盛量砂的容器加量砂的质量，按附�?.2：将仪器放在整平的地面上，用固定器将套环位置固定。开漏斗阀，将量砂经漏斗灌入套环内，待套环灌满后，拿掉漏斗，漏斗架及防风筒（无风可不用防风筒），用直尺刮平套环上砂面，使与套环边缘齐平。将刮下的量砂细心倒回量砂容器，不得丢失，称量砂容器加*次剩余量砂质量、�/p><p>　　3.将套环内的量砂取出，称其质量，倒回量砂容器内，环内量砂允许有少部分仍留在环内、�/p><p>　　4.在套环内挖试坑。其尺寸大致如附�?.5、�/p><p><strong><strong>新标准灌砂法密度试验�?/strong></strong>注意事项� </p><p> 1.标准砂的粒径选用0.25~0.5mm，因为在此范围内，标� 砂的密度变化较小� </p><p> 2.标准砂如果重复使用，一定筛出混入标准砂中的杂质 （如土等），否则影响标准砂的密度� </p><p> 3.每换一次标准砂供应商河北大宏实验仪器有限公司，都必须测定其密度� </p><p> 4.在挖坑时试坑周壁应笔直，避免出现上大下小或上小下 大的情形，这样就会使检测密度偏大或偏小、�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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