高放废物地质处置新场岩体三维地质模型构建与应用

doi:10.11720/wtyht.2019.0254

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Abstract

After more than 30 years of research in high-level radioactive waste disposal, China has initially identified Xinchang block as the recommended site of underground laboratory. It is necessary to make full use of the existing data to express all kinds of geological phenomena accurately and intuitively to reproduce the spatial distribution of geological units and their mutual relations. on the other hand, it is possible to mine hidden geological information to facilitate geological analysis and engineering decision-making, which is very important in the research phase of underground laboratory. Based on the comprehensive analysis and interpretation of the existing data, the three-dimensional geological model of Xinchang block has been established. The model reproduced the geologic and environmental characteristics of Xinchang block. Based on the model, we designed the drilling to expose the fault and determined the location and main structure of the underground laboratory, the effect seems good. This study can provide useful reference and technical support for the geological analysis and engineering design of the high-level radioactive waste disposal project in China.

Key words： high-level radioactive waste disposal Xinchang block 3D geological modeling application of model

Received: 05 January 2019 Published: 31 May 2019

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	Articles by authors
	Hui LUO
	Ju WANG
	Shi JIANG
	Hong-Gang ZHAO
	Yuan-Xin JIN

Cite this article:

Hui LUO,Ju WANG,Shi JIANG, et al. Construction and application of three-dimensional geological model in Xinchang Block for high-level radioactive waste disposal[J]. Geophysical and Geochemical Exploration, 2019, 43(3): 568-575.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2019.0254 OR https://www.wutanyuhuatan.com/EN/Y2019/V43/I3/568

Traffic location of Xinchang block in Beishan, Gansu

The geological map of Xinchang block

Patial distribution of well profiles

Geological section interpreted by geophysical profile

Geological interpretation of geophysical profile XC11

Three-dimensional geological model of Xinchang rock
a—extracting geological boundaries to generate surface models; b—generate different lithology unit models;c—fracture model; d—geological model, including fracture and lithology information 1—quaternary;2—metamorphic medium volcanic rock of Xianshuiyan group;3—metamorphic rocks of Yujishan formation in Dunhuang group;4—hornblende diabase of Hongzhutan unit;5—monzonitic granite of Xinchang unit;6—massive granodiorite of Jijinggou unit;7—kemp-shaped granitic granite of Yuanyanggou unit;8—kemp-shaped granodiorite of Hongliujingnanshan unit;9—drilling;10—geological boundary;11—fault line;12—fracture surface

Three-dimensional design of BS35 borehole

Design parameters of BS35 drilling

The relationship between underground laboratory field and fracture

Space perspective view of the underground laboratory (draft)

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