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A platform for research: civil engineering, architecture and urbanism
Detection method for determining modulus of cement stabilized macadam base
The invention relates to a detection method for determining modulus of a cement stabilized macadam base. Placing a circular bearing plate on the top of the cement stabilized macadam base and applying pressure to obtain a deflection curve; determining a fixed point position of the deflection curve according to the thickness of the cement stabilized macadam base; calculating a roadbed modulus value according to the deflection value at the fixed point; according to the tangent slope of the deflection curve at the edge of the bearing plate, the compression modulus value of the cement stabilized macadam base is calculated; and determining the tensile modulus value of the cement stabilized macadam base according to the tangent slope of the deflection curve at the fixed point, the roadbed modulus value and the compression modulus value of the cement stabilized macadam base.
本发明涉及一种确定水泥稳定碎石基层模量的检测方法。在水泥稳定碎石基层顶部放置圆形承载板并施加压力，得到弯沉曲线；根据水泥稳定碎石基层的厚度，确定弯沉曲线的不动点位置；根据不动点处的弯沉值，计算路基模量值；根据弯沉曲线在承载板边缘处的切线斜率，计算水泥稳定碎石基层的压缩模量值；根据弯沉曲线在不动点处的切线斜率、路基模量值、水泥稳定碎石基层的压缩模量值，确定水泥稳定碎石基层的拉伸模量值。
Detection method for determining modulus of cement stabilized macadam base
The invention relates to a detection method for determining modulus of a cement stabilized macadam base. Placing a circular bearing plate on the top of the cement stabilized macadam base and applying pressure to obtain a deflection curve; determining a fixed point position of the deflection curve according to the thickness of the cement stabilized macadam base; calculating a roadbed modulus value according to the deflection value at the fixed point; according to the tangent slope of the deflection curve at the edge of the bearing plate, the compression modulus value of the cement stabilized macadam base is calculated; and determining the tensile modulus value of the cement stabilized macadam base according to the tangent slope of the deflection curve at the fixed point, the roadbed modulus value and the compression modulus value of the cement stabilized macadam base.
本发明涉及一种确定水泥稳定碎石基层模量的检测方法。在水泥稳定碎石基层顶部放置圆形承载板并施加压力，得到弯沉曲线；根据水泥稳定碎石基层的厚度，确定弯沉曲线的不动点位置；根据不动点处的弯沉值，计算路基模量值；根据弯沉曲线在承载板边缘处的切线斜率，计算水泥稳定碎石基层的压缩模量值；根据弯沉曲线在不动点处的切线斜率、路基模量值、水泥稳定碎石基层的压缩模量值，确定水泥稳定碎石基层的拉伸模量值。
Detection method for determining modulus of cement stabilized macadam base
一种确定水泥稳定碎石基层模量的检测方法
ZHANG YANG (author) / ZHANG JINGLIN (author) / ZHOU YONG (author) / ZHU LINXIN (author)
2024-02-06
Patent
Electronic Resource
Chinese
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
/
E01C
Bau von Straßen, Sportplätzen oder dgl., Decken dafür
,
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE
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