桩板式挡墙在边坡设计中的应用

简要介绍桩板式挡墙的构造、设计、施工要点,并通过工程实例说明桩板式挡墙在实际边坡工程中的方案比选及设计应用。     

汶川地震灾后人口与居民点空间配置的适宜性评价

The suitability evaluation of population and settlements spatial layout in the moun-tainous areas is an important basis on which the scale of population and settlement after Wenchuan Earthquake is determined. Based on the statistical data of field research, this paper chooses 1264 towns in 51 counties as the scope of evaluation, selects eight indices in the evaluation index system which includes post-disaster population scale, population density,urbanization rate, the percentage of migrant workers, death rate by earthquake, the per-centage of minorities, elevation-slope integrated terrain and comprehensive geological con-dition. Besides, this paper uses AHP supported by entropy technique and fuzzy membership function model to calculate the suitability evaluation index and then divides the disaster areas into five types:highly suitable area(area accounted for 11.03%), relatively highly suitable area(15.29%), moderately suitable area(29%), less suitable area(30.08%)and unsuitable area(14.6%). According to the result of suitability evaluation, this paper puts forward several suggestions for the reconstruction as follows:the urban system and the building of new countryside should be guided by the suitability evaluation subareas; post-earthquake recon-struction avoids zones near Longmenshan fracture and high-mountain gorge areas as far as possible; the scale of population and settlement should not exceed the capacity of resources and environment; population should be resettled as close as possible by considering ade-quately the heterogenicity and homogeneity of regional nationality culture characteristics;densely resettle the people at plains and hilly areas; encourage the migrant workers settle in the working place with their families voluntarily; and urban system reconstruction such as industry layout and important projects of lifeline should be guided by the spatial layout suit-ability evaluation.     

复合载体夯扩桩的特性及工程应用

介绍复合载体夯扩桩的工程特性、桩的设计、施工及检测,通过实际工程的应用,说明在适宜的地质条件下,使用该桩型经济合理、质量可靠,是值得推广的一种新型桩基形式。