Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for detecting compactness and void ratio of rock-filled roadbed
The invention discloses a method for detecting the compaction degree and void ratio of a rock-filled roadbed in the field of compaction control of the rock-filled roadbed, which comprises the following steps of: according to the principle of conservation of mass, adopting a similar grading rock-filled material sample in a laboratory, so as to determine the maximum forming density and the maximum compression ratio of a rock-filled material according to a compaction degree calculation formula for determining the maximum compression ratio of the sample; according to the method, the maximum forming density and the maximum compression ratio of the rockfill material are measured in a similar grading rockfill material chamber, and similarity of the filling characteristic and the crushing characteristic in the compaction process of the rockfill material is achieved through similar grading; the device can cover the influence range of gradation and crushing characteristic change of the on-site filling material on the compaction control standard, and is high in test precision, good in reproducibility, small in test material consumption and low in labor intensity.
本发明公开了填石路基压实控制领域的一种填石路基压实度和空隙率检测方法包括根据质量守恒原理，在实验室中采用相似级配填石料试样，从而根据试样测定最大压缩率的压实度计算公式，测定填石料的最大成型密度和最大压缩率，随后在填石路基压缩变形率现场检测现场采用压缩率检测方法，本发明采用相似级配填石料室内测定填石料的最大成型密度和最大压缩率，相似级配实现了填石料压实过程填充特性和破碎特性相似，能够覆盖现场填石料的级配和破碎特性变化对压实控制标准的影响范围，试验精度高、重现性好，试验材料用量少，劳动强度低。
Method for detecting compactness and void ratio of rock-filled roadbed
The invention discloses a method for detecting the compaction degree and void ratio of a rock-filled roadbed in the field of compaction control of the rock-filled roadbed, which comprises the following steps of: according to the principle of conservation of mass, adopting a similar grading rock-filled material sample in a laboratory, so as to determine the maximum forming density and the maximum compression ratio of a rock-filled material according to a compaction degree calculation formula for determining the maximum compression ratio of the sample; according to the method, the maximum forming density and the maximum compression ratio of the rockfill material are measured in a similar grading rockfill material chamber, and similarity of the filling characteristic and the crushing characteristic in the compaction process of the rockfill material is achieved through similar grading; the device can cover the influence range of gradation and crushing characteristic change of the on-site filling material on the compaction control standard, and is high in test precision, good in reproducibility, small in test material consumption and low in labor intensity.
本发明公开了填石路基压实控制领域的一种填石路基压实度和空隙率检测方法包括根据质量守恒原理，在实验室中采用相似级配填石料试样，从而根据试样测定最大压缩率的压实度计算公式，测定填石料的最大成型密度和最大压缩率，随后在填石路基压缩变形率现场检测现场采用压缩率检测方法，本发明采用相似级配填石料室内测定填石料的最大成型密度和最大压缩率，相似级配实现了填石料压实过程填充特性和破碎特性相似，能够覆盖现场填石料的级配和破碎特性变化对压实控制标准的影响范围，试验精度高、重现性好，试验材料用量少，劳动强度低。
Method for detecting compactness and void ratio of rock-filled roadbed
一种填石路基压实度和空隙率检测方法
MIAO JIANQING (Autor:in) / ZHAO YU (Autor:in) / LIANG JUNLIN (Autor:in) / YAN ZHIMING (Autor:in) / YANG YANG (Autor:in)
01.07.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
G01N
Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften
,
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
/
E02D
FOUNDATIONS
,
Gründungen
/
G01B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS
,
Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen
Device and method for repairing void cracking of rock-filled roadbed
| Europäisches Patentamt | 2021