ANALYSIS ON CHARACTERISTICS OF TECTONIC STRESS FIELD AND THE GEODYNAMIC ENVIRONMENT IN THE YANGTZE RIVER ECONOMIC BELT

Cao Hai-bo; Fan Tao-yuan

Volume 22 Issue 3

Sep. 2016

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Cao Hai-bo, Fan Tao-yuan, 2016. ANALYSIS ON CHARACTERISTICS OF TECTONIC STRESS FIELD AND THE GEODYNAMIC ENVIRONMENT IN THE YANGTZE RIVER ECONOMIC BELT. Journal of Geomechanics, 22 (3): 610-619.

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Cao Hai-bo, Fan Tao-yuan, 2016. ANALYSIS ON CHARACTERISTICS OF TECTONIC STRESS FIELD AND THE GEODYNAMIC ENVIRONMENT IN THE YANGTZE RIVER ECONOMIC BELT. Journal of Geomechanics, 22 (3): 610-619.

Citation:

Cao Hai-bo, Fan Tao-yuan, 2016. ANALYSIS ON CHARACTERISTICS OF TECTONIC STRESS FIELD AND THE GEODYNAMIC ENVIRONMENT IN THE YANGTZE RIVER ECONOMIC BELT. Journal of Geomechanics, 22 (3): 610-619.

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ANALYSIS ON CHARACTERISTICS OF TECTONIC STRESS FIELD AND THE GEODYNAMIC ENVIRONMENT IN THE YANGTZE RIVER ECONOMIC BELT

Cao Hai-bo^{1, 2
,},
Fan Tao-yuan^{1, 2}

1.
Key Laboratory of Geotectonic Movement & Geohazard, Institute of Geomechanics, Beijing 100081, China
2.
Chinese Academy of Geological Sciences, Beijing 100081, China

More Information

Received: 2016-04-15
Published: 2016-09-01

Abstract

Abstract

According to existing research results, the tectonic stress field in the Yangtze River Economic Belt is divided into different zones based on active blocks and characteristic of tectonic stress field, respectively as the North China stress zone, the Southern China stress zone and the Qinghai-Tibet plateau stress zone. The South China stress zone is the major part of the Yangtze River economic belt. Based on that, we established a two-dimensional finite element model according to the active faults and tectonic blocks in the Yangtze River Economic Belt to simulate the tectonic stress and to analyze the geodynamic environment of the Yangtze River Economic Belt. The result shows that the tectonic stress field of the Yangtze River Economic Belt is combined controlled by the India plate, Pacific plate and Philippines sea plate. Collision between India plate and the Eurasian plate determines the overall trend of the stress field, and local areas also are affected by the surrounding tectonic environment. Southeast China is effected by the stretching environment of Okinawa Trough produced by Philippines plate subducting to Eurasian plate, Southwest China is effected by the northward moving of the India plate inducing shear and tension of Burma plate and resulting of Sagaing fault and western of Burma central basin, material of eastern Qinghai-Tibet Plateau in the transverse extrusion process is controlled by the joint subduction of the Pacific plate and Philippines plate, and has important influence for the distribution characteristics of the crustal stress field in the Yangtze River Economic Belt.
- the Yangtze River Economic Belt,
- tectonic stress field,
- geodynamic environment,
- stress division,
- FE modeling

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References(37)

References

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