ASTM D4623-2008

用套芯法-美国矿务局钻孔变形计测定岩体现场应力的试验方法

Standard Test Method for Determination of In Situ Stress in Rock Mass by Overcoring Method-USBM Borehole Deformation Gauge

适用范围：<p>Either virgin stresses or the stresses as influenced by an excavation may be determined. This test method is written assuming testing will be done from an underground opening; however, the same pri...

实施日期：2008-07-01

ASTM D4729-2008

用扁千斤顶法测定原位应力和变形模数的试验方法

Standard Test Method for In Situ Stress and Modulus of Deformation Using Flatjack Method

适用范围：<p><span class="italic"><span class="italic">Tests in Orthogonal Directions</span>8212;</span>The flatjack most accurately determines the stress parallel to the long axis of the adit, because this stre...

实施日期：2008-07-01

ASTM D7070-2008

恒定应力和温度下岩芯蠕变试验方法

Standard Test Methods for Creep of Rock Core Under Constant Stress and Temperature

适用范围：<p>There are many underground structures that are created for permanent or long-term use. Often, these structures are subjected to an approximately constant load. Creep tests provide quantitative par...

实施日期：2008-07-01

ASTM D4971-2008

使用径向负荷76mm(3英寸)钻孔千斤顶测定岩石变形现场模量的试验方法

Standard Test Method for Determining In Situ Modulus of Deformation of Rock Using Diametrically Loaded 76-mm (3-in.) Borehole Jack

适用范围：<p>Results of this test method are used to predict displacements in rock mass caused by loads from a structure or from underground construction. It is one of several tests that should be performed.</p...

实施日期：2008-07-01

ASTM D3967-2008

完整岩芯试样劈拉强度试验方法

Standard Test Method for Splitting Tensile Strength of Intact Rock Core Specimens

适用范围：<p>By definition the tensile strength is obtained by the direct uniaxial tensile test. But the tensile test is difficult and expensive for routine application. The splitting tensile test appears to off...

实施日期：2008-07-01

ASTM D4395-2008

用挠性板负荷法测定岩体变形原位模数的试验方法

Standard Test Method for Determining In Situ Modulus of Deformation of Rock Mass Using Flexible Plate Loading Method

适用范围：<p>Results of this type of test method are used to predict displacements in rock mass caused by loads from a structure or from underground construction. It is one of several tests that should be perfor...

实施日期：2008-07-01

ASTM D4555-2010

通过现场单轴压缩试验测定软岩可变形性和强度的试验方法

Standard Test Method for Determining Deformability and Strength of Weak Rock by an In Situ Uniaxial Compressive Test

适用范围：<p>Since there is no reliable method of predicting the overall strength and deformation data of a rock mass from the results of laboratory tests on small specimens, in situ tests on large specimens ar...

实施日期：2010-01-15

ASTM D4394-2008

用刚性板负荷法现场测定岩石质量变形模数的试验方法

Standard Test Method for Determining In Situ Modulus of Deformation of Rock Mass Using Rigid Plate Loading Method

适用范围：<p>Results of this type of test method are used to predict displacements in rock mass caused by loads from a structure or from underground construction. It is one of several tests that should be perfor...

实施日期：2008-07-01

ASTM D4506-2008

用径向千斤顶试验测定岩体变形原位模数的试验方法

Standard Test Method for Determining In Situ Modulus of Deformation of Rock Mass Using Radial Jacking Test

实施日期：2008-07-01

ASTM D4553-2008

测定岩石原位蠕变特性的试验方法

Standard Test Method for Determining In Situ Creep Characteristics of Rock

适用范围：<p>Results of this test method are used to predict time-dependent deformation characteristics of a rock mass resulting from loading. It is a test that may be required depending on rock type or anticip...

实施日期：2008-07-01