4.4.1 The density test shall comply with provisions of 3.4.1.4.4.2 The particle analysis test shall be conducted in accordancewith provisions in items 1, 2 and 3 of 3.2.8.4.4.3 The water content test shall comply with relevant provisionsof 3.4.3.4.4.4 The...[繼續閱讀]

    4.5.1 Calculation of average settlement amount, averageaccumulative settlement ratio, particle analysis, breakage ratio, watercontent, density and void ratio shall comply with relevant provisionsof 3.5.4.5.2 Test data processing of loading test, direct sh...[繼續閱讀]

    5.1.1 The stockyard is used to stack and store test materials, andadjust water content and grain grading.5.1.2 The stockyard should be arranged close to the compactiontest site to facilitate the transportation of soil materials.5.1.3 The size of stockyard...[繼續閱讀]

    5.2.1 Main equipment for the placement and roller compaction test,including pad foot vibratory roller, smooth drum vibratory roller,sheep-horn roller, excavator, loader, sprayer equipment, bulldozer,dump truck, etc. shall be selected based on the types an...[繼續閱讀]

    5.3.1 Remove overburden on the selected borrow areas or quarriesand obtain materials as per the required depth. Material samplingshould comply with the process requirements of vertical excavationand uniform mixing.5.3.2 Water content and particle analysis...[繼續閱讀]

    5.4.1 The roller compaction test shall comply with provisionsspecified in 3.3. Pad foot vibratory roller or smooth drum vibratoryroller shall be selected based on actual engineering needs.5.4.2 Prior to compaction, soil materials shall be subject to water...[繼續閱讀]

    5.5.1 Density test(1) For cohesive soil, cutting ring method should be adopted, whichshall comply with relevant provisions of DL/T 5355; for gravelly soil,pit watering method should be adopted, which shall comply withrelevant provisions of DL/T 5356.(2) F...[繼續閱讀]

    5.6.1 The calculation of average settlement amount, averageaccumulative settlement ratio, water content, breakage rate andparticle analysis of each test block shall comply with provisions of3.5.5.6.2 The wet density and dry density of soils in the test pi...[繼續閱讀]

    6.1.1 The test should be performed in adit where rocks arerelatively hard and intact.6.1.2 The length of test adit shall not be less than 10 m, andsufficient counterforce shall be ensured based on pressure load. Thesectional size of test adit shall facili...[繼續閱讀]

    6.2.1 The steel cylinder without cover for measuring modulus shallbe sufficient rigid. The cylinder wall shall be smooth and flat. Theratio between the cylinder height and the maximum grain size shouldbe no less than 3 and that between the cylinder diamet...[繼續閱讀]