岩土工程勘察、设计与施工一体化模式探讨研究

建筑工程勘察、设计和施工一体化模式,逐渐成为国内大型勘察设计企业新的核心竞争力,亦是国际国内经济一体化和市场经济发展的必然趋势。本文结合目前国内主要从事岩土工程的勘察、设计或施工企业对项目的运作情况,提出了岩土工程勘察、设计和施工一体化运作模式。通过对目前国内岩土工程勘察、设计和施工独立运作模式和一体化模式的对比研究和分析,结合典型的工程实例,总结和分析了采用一体化或近似一体化模式运作项目的优劣和经验。针对目前国内大型勘察设计企业实施岩土工程勘察、设计和施工一体化模式的困难进行了探讨并提出相关建议,供相关部门或同行参考。     

岩土工程勘察报告的主要内容及重点

岩土工程勘察报告是岩土工程勘察工作的最终成果,是地基基础设计和施工的基本依据。岩土工程勘察报告应该内容齐全、真实准确、图表清晰、重点突出、结论有据、建议合理。根据岩土工程勘察规范、地基基础设计规范和施工要求及多年从事岩土工程勘察的经验,介绍了岩土工程勘察报告的主要内容,提出了报告编写中应重点注意的问题。     

工程建设项目岩土工程勘察阶段项目管理分析

正在工程建设项目投资过程中,为了做到经济合理、技术先进、质量合格,争取最大投资效益,在设计和施工前期,必须按照基本建设程序进行岩土工程勘察工作。项目设计阶段,重点对建设工程项目的成本和质量进行控制;岩土工程勘察阶段,为工程项目后期的设计、施工阶段提供详细的岩土分布状况资料及相应物理力学等基础性技术参数,对岩土地基进行工程评估,同时提出相应的地基与基础处理的科学合理方案。岩土工程勘察成果将成为项     

十年励精图治 今朝喜获金奖

日前,在住房和城乡建设部召开的全国优秀工程勘察设计奖颁奖大会上,由城建勘测院完成的＂国家体育场（鸟巢）精密施工测量技术研究与实践＂项目荣获国家金奖,＂国家体育馆岩土工程、工程勘察＂、＂国家大剧院施工测量技术研究与实践＂项目分获国家铜奖。这是我国工程勘察设计行业的最高奖项。为了实现摘金奖梦想,城建勘测人付出了整整十个年头的努力。     

八面来风

正154个项目荣获2013年度云南省优秀工程勘察设计奖为推动工程勘察设计行业技术创新,提高工程勘察设计水平,引导、鼓励工程勘察设计企业和工程勘察设计人员创作出更多质量优、水平高的工程勘察设计项目,云南省住房和城乡建设厅组织开展了2013年度全省优秀工程勘察设计奖评选并于近日揭晓,154个项目荣获2013年度云南省优秀工程勘察设计奖。此次评选工作为进一步加强与住房和城乡建设部评优工作的衔接,项目建筑组细分为公共建筑项目、住宅与住宅小区项目、结构专业分项项目、公用设备专业(给水排水、暖通空调、电气)分项项目,同一项目只能申报一个     

三维直流电法勘探在地下人防工程勘察中的应用

以徐州市某废弃人防工程勘察项目为例,介绍了3D直流电法勘探的施工技术极其在工程勘察领域的良好应用效果。     

东海大桥大乌龟近岛段的工程地质施工勘察

通过对东海大桥大乌龟近岛段的施工勘察过程的介绍,总结了对于大型工程勘察项目中的施工技术与组织管理方面的经验与体会。     

全国优秀工程勘察设计奖评选办法

第一章总则第一条为贯彻落实科学发展观,推动工程勘察设计行业技术创新,提高工程勘察设计水平,引导、鼓励工程勘察设计单位和工程勘察设计人员创作出更多质量优、水平高、效益好的工程勘察设计项目,规范全国优秀工程勘察设计奖评选工作,特制定本办法。第二条全国优秀工程勘察设计奖是我国工程勘察设计     

整体化推进产业化发展规模化经营科学化管理──谈工程勘察施工业的发展方向

整体化推进产业化发展规模化经营科学化管理──谈工程勘察施工业的发展方向地矿部工程勘察施工管理办公室王达１９９４年年初，部经济工作会议确立了“一三二”产业结构，将工程勘察施工业列为我部要大力发展的三大支柱产业之一。这是工程战线广大职工１５年来含辛茹苦，...     

岩土工程设计、施工项目的企业内部质量管理

近年来，岩土工程设计和施工业务已成为众多勘察单位的支柱产业，同时业务的拓展给单位原有的勘察管理体系带来挑战，尤其是质量管理体系。本文从岩土工程的质量特点着手，分析了企业岩土工程设计和施工项目的内部质量体系建立的必要性，并提出了岩土工程设计和施工项目的质量控制要点。     

The terrestrial fauna of the Late Triassic Pant-y-ffynnon Quarry fissures,South Wales,UK and a new species of Clevosaurus (Lepidosauria: Rhynchocephalia)

Pant-y-ffynnon Quarry in South Wales yielded a rich cache of fossils in the early 1950s, including articulated specimens of new species (the small sauropodomorph dinosaur Pantydraco caducus and the crocodylomorph Terrestrisuchus gracilis), but no substantial study of the wider fauna of the Pant-y-ffynnon fissure systems has been published. Here, our overview of existing specimens, a few described but mostly undescribed, as well as freshly processed material, provides a comprehensive picture of the Pant-y-ffynnon palaeo-island of the Late Triassic. This was an island with a relatively impoverished fauna dominated by small clevosaurs (rhynchocephalians), including a new species, Clevosaurus cambrica, described here from a partially articulated specimen and isolated bones. The new species has a dental morphology that is intermediate between the Late Triassic Clevosaurus hudsoni, from Cromhall Quarry to the east, and the younger C. convallis from Pant Quarry to the west, suggesting adaptive radiation of clevosaurs in the palaeo-archipelago. The larger reptiles on the palaeo-island do not exceed 1.5?m in length, including a small carnivorous crocodylomorph, Terrestrisuchus, and a possible example of insular dwarfism in the basal dinosaur Pantydraco.     

Définition d'une limite multicritère ; stratigraphie du passage Campanien–Maastrichtien du site géologique de Tercis (Landes,SW France)Definition of a multi-criteria boundary; stratigraphy of the Campanian–Maastrichtian interval of the geological site at Tercis (Landes,SW France)

Lithostratigraphy, physicochemical stratigraphy, biostratigraphy, and geochronology of the 77–70 Ma old series bracketing the Campanian–Maastrichtian boundary have been investigated by 70 experts. For the first time, direct relationships between macro- and microfossils have been established, as well as direct and indirect relationships between chemo-physical and biostratigraphical tools. A combination of criteria for selecting the boundary level, duration estimates, uncertainties on durations and on the location of biohorizons have been considered; new chronostratigraphic units are proposed. The geological site at Tercis is accepted by the Commission on Stratigraphy as the international reference for the stratigraphy of the studied interval. To cite this article: G.S. Odin, C. R. Geoscience 334 (2002) 409–414.     

The effect of water on accessory phase solubility in subaluminous and peralkaline granitic melts

The solubilities of columbite, tantalite, wolframite, rutile, zircon and hafnon were determined as a function of the water contents in peralkaline and subaluminous granite melts. All experiments were conducted at 1035 °C and 2 kbar and the water contents of the melts ranged from nominally dry to approximately 6 wt.% H₂O. Accessory phase solubilities are not affected by the water content of the peralkaline melt. By contrast, solubilities are affected by the water content of the subaluminous melt, where the solubilities of all the accessory phases examined increase with the water content of the melt, up to 2 wt.% H₂O. At higher water contents, solubilities are nearly constant. It can be concluded that water is not an important control of accessory phase solubility, although the water content will affect diffusivities of components in the melt, thus whether or not accessory phases will be present as restite material. The solubility behaviour in the subaluminous and peralkaline melts supports previous spectroscopic studies, which have observed differences in the coordination of high field strength elements in dry vs. wet subaluminous granitic glasses, but not for peralkaline granitic glasses. Lastly, the fact that wolframite solubility increases with increasing water content in the subaluminous melt suggests that tungsten dissolved as a hexavalent species.     

Quaternary stresses revealed by calcite twinning inversion: insights from observations in the Savonnières underground quarry (eastern France)

Calcite samples were extracted both from the rock matrix and the superficial coating of a karstified fault plane of an underground quarry, located in the eastern border of the Paris basin. The karstification is dated as Quaternary. Analysis of mechanical calcite twinning reveals that only the calcite matrix has also undergone a compression trending WNW that can be attributed to the Mio-Pliocene alpine collision. Both coating and matrix have undergone a strike-slip regime with σ₁ roughly trending north–south, that could correspond to the regional present-day state of stress, a strike-slip compression rather trending NNW, modified by local phenomena. To cite this article: M. Rocher et al., C. R. Geoscience 335 (2003).     

HYDROGEOLOGY

正20141756 Chen Ruige(Mathematical College,China University of Geosciences,Beijing100083,China);Zhou Xun Numerical Simulation of Groundwater Level Fluctuation in a Coastal Confined Aquifer with Sloping Initial Groundwater Level Induced by the Tide(Geological Bulletin of China,ISSN1671-2552,CN11-4648/P,32(7),2013,p.1099-1104,6 illus.,16 refs.) Key words:confined water,groundwater level     

METAMORPHIC PETROLOGY

正20141408 Cai Jia(Institute of Geology,Chinese Academy of Geological Sciences,Beijing100037,China);Liu Fulai Petrogenesis and Metamorphic P-T Conditions of Garnet-Spinel-Biotitebearing Paragneiss in Danangou Area,Daqingshan-Wulashan Metamorphic Complex Belt(Acta Petrologica Sinica,ISSN1000-0569,CN11-1922/P,29(7),     

SERIALS

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GEOPHYSICAL EXPLORATION

正20142386An Guoying(China Aero Geophysical Survey and Remote Sensing Center for Land and Resources,Beijing 100083,China)Application of Satellite Remote Sensing in Regional Hydrogeological Investigation:Taking Cenozoic Strata in Wenquan Sheet(1∶250 000)of Karakoram Range as an Example(Geosci-     

QUATERNARY GEOLOGY & GEOMORPHOLOGY

正20141016An Chengbang(Key Laboratory of Western China’s Environmental Systems,Ministry of Education,Lanzhou University,Lanzhou 730000,China);Zhao Yongtao Lake Records during the Last Glacial Maximum from Xinjiang,NW China and Their Climatic Impli-     

PETROLEUM GEOLOGY

正20141538 Cao Qing(School of Earth Sciences and Engineering,Xi’an Petroleum University,Xi’an 710065,China);Zhao Jingzhou Characteristics and Significance of Fluid Inclusions from Majiagou Formation,Yichuan Huangling Area,Ordos Basin(Advances in Earth Science,ISSN1001-8166,CN62-1091/P,28(7),2013,p.819-828,7 illus.,3 tables,43 refs.)