格式:pdf
大小:194KB
頁數: 17頁
Environmental problems caused by Istanbul subway excavation and suggestions for remediation Ibrahim Ocak Abstract: Many environmental problems caused by subway excavations have inevitably become an important point in city life. These problems can be categorized as transporting and stocking of excavated material, traf?c jams, noise, vibrations, piles of dust mud and lack of supplies. Althou
格式:pdf
大小:860KB
頁數: 2頁
China Power EngineeringConsulting Group Corporationestablished on the foundationof China Power Engineering(Group)Company Ltd.affiliates eightsolely-owned emterprises and companiesand an institution,they are:Northeast,East China,Central-South.Northwestand Southwest power design institutes,Engineering Company Ltd.underGuohua North China Power Design In-stitute,China Power ConstructionConsultation Corporation,China PowerEngineering Consultation(Group)Company Ltd,and the Power Planningand Design General Institute.