雄安新区地上地下工程建设适宜性一体化评价
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引用本文:郝爱兵,吴爱民,马震,柳富田,夏雨波,谢海澜,林良俊,王涛,白耀楠,张竞,孟庆华.2018.雄安新区地上地下工程建设适宜性一体化评价[J].地球学报,39(5):513-522.
DOI:10.3975/cagsb.2018.071502
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作者单位E-mail
郝爱兵 中国地质调查局 haibing@mail.cgs.gov.cn 
吴爱民 中国地质调查局  
马震 中国地质调查局天津地质调查中心  
柳富田 中国地质调查局天津地质调查中心  
夏雨波 中国地质调查局天津地质调查中心  
谢海澜 中国地质调查局天津地质调查中心  
林良俊 中国地质调查局  
王涛 中国地质科学院地质力学研究所 wangtaoig@cags.ac.cn 
白耀楠 中国地质调查局天津地质调查中心  
张竞 中国地质调查局天津地质调查中心  
孟庆华 中国地质调查局天津地质调查中心  
基金项目:中国地质调查局地质调查项目(编号: DD20189122)
中文摘要:为支撑雄安新区总体规划编制, 2017年6月至8月, 中国地质调查局在雄安新区组织实施了大规模工程地质勘察工作。以典型示范区为例, 探索了地上地下工程建设适宜性一体化评价方法, 并利用该方法对雄安新区全区进行了评价。结果显示: 雄安新区建设场地稳定性较好, 稳定场地和基本稳定场地占89.5%; 雄安新区工程建设适宜性好, 全区均适宜或较适宜工程建设, 平均深度15~20 m、35~45 m、55~70 m的3段地层土体承载力普遍较高, 可优先作为多层、高层、超高层建筑物复合地基或桩基的桩端持力层; 雄安新区起步区地下空间开发利用条件优越, 建议将70 m以浅地下空间分3层进行规模化开发利用, 充分开发利用30 m以浅的浅层地下空间, 适度开发利用30~50 m次深层地下空间, 超前规划利用50~70 m深层地下空间; 建议加强地下空间开发与浅层地热能开发利用的统筹协调。局部存在地面沉降、地裂缝、砂土液化、软弱土等不良工程地质问题, 在控制性详细规划和岩土工程勘察中应加以重视。
中文关键词:雄安新区  地上地下空间  工程建设适宜性  一体化评价
 
A Study of Engineering Construction Suitability Integrated Evaluation of Surface-underground Space in Xiongan New Area
Abstract:To support the master planning of the Xiongan New Area, China Geological Survey organized large scale engineering geological survey in the period from June to August, 2017. Taking the representative demonstration area for example, an integrated evaluation method for surface-underground space engineering construction suitability was proposed and applied to the evaluation of the whole Xiongan New Area. According to the results obtained, site stability of Xiongan New Area is good, and stable area and basically stable area account for 89.5%; engineering construction suitability of Xiongan New Area is good. The whole area is favorable or suitable for the construction. There are 3 stratums with high bearing capacity of foundation soil respectively at the depths of 15~20 m, 35~45 m and 55~70 m, which should be preferentially used for pile end bearing strata of multistoried, high-rise and super high-rise buildings. The conditions of underground space development in Xiongan New Area are suitable. The authors suggest that large-scale exploration should be conducted in underground space at the depth shallower than 70 m and in 3 layers: full development of the space at the depth of 0~30 m, moderate development of the space at the depth of 30~50 m and advanced planning the space at the depth of 50~70 m. The authors suggest strengthening harmonized mechanism of the underground space and shallow geothermal energy exploitation. Several adverse geological engineering problems such as land subsidence, ground fissure, sand liquefaction and soft soil appear in local areas should be considered carefully in regulatory detailed planning and geotechnical engineering investigation.
keywords:Xiongan New Area  surface-underground space  engineering construction suitability  integrated evaluation
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