LI Chang-hao , ZHU Xiao-dong , LI Yang-fan , WANG Xiang-hua , PAN Tao
2007, 29(5):1-5. DOI: 10.11835/j.issn.1674-4764.2007.05.001
Abstract:Under the background of the new rural construction in China, it is an important scientific question and an urgent social task to construct the harmonious society and to achieve the sustainable regional development on how to construct concentrative residence and manage the human habitat environment in the fast industrializing and typically urbanizing area. This paper analyzed the problems in the construction of the human habitat envi- ronment in the rural area of southern Jiangsu, discussed the methodologies of planning and design for rural con- centrative residence, researched the human habitat environment improvement technologies, and put forward the resolution of the recycling community for the rural inhabitation, which aimed at demonstrating the practicing in rapidly urbanizing regions.
2007, 29(5):6-10. DOI: 10.11835/j.issn.1674-4764.2007.05.002
Abstract:Recent rapid urbanization has broad impact on the contemporary urban environment. Preserving the natural environment has become the central issues in the world. The main concern of this paper is to address the importance of social function of green space. Some results of a survey conducted among visitors of urban parks in Mianyang city in Sichuan Province are presented and discussed. The results confirm that open space experiences have a positives influence on psychological and mental health. Urban green space verifies beliefs about stress-reduction benefits and mental health, and advances social intercommunication. Finally, the monetary evaluation methods of urban green space, such as contingent valuation method, hedonic pricing method, travel cost method, are discussed.
2007, 29(5):11. DOI: 10.11835/j.issn.1674-4764.2007.05.003
Abstract:随着医院病员不断增多及城市用地紧张等各种问题,病房楼高层化成为当今中、大型医院建筑发展的一种趋势。根据作者所参加的实际工程设计的经验,从高层病房楼的建筑特点出发,对高层病房大楼建筑设计中的手术部设计、病房层设计、屋顶停机坪设计等一些问题进行了探讨,并提出了手术部的位置与设备层的关系、手术部双层布置模式与内部流线关系、病房层设计与医辅用房的关系、屋顶停机坪与高层病房楼的关系等设计对策,希望对于今后的高层病房楼建筑设计有所裨益。
2007, 29(5):15-22. DOI: 10.11835/j.issn.1674-4764.2007.05.004
Abstract:体育建筑是城市景观的一个重点,是城市文明的标尺,具有重要的社会和美学地位。一个优秀的体育建筑作品往往是多方面思路综合运用的结果。结合国内外现代体育建筑的造型设计分析,从环境要求、美学关系及立意构思三个方面探讨造型设计的创作思路。而环境要求主要注重建筑的体量与尺度是否与环境和谐;美学关系则包括了形体美学、结构美学、材料美学三个层面;立意构思则主要有从环境和建筑内在特点出发寻找构思主题及从文化背景、城市象征等抽象概念出发寻找构思主题两个方向。本文举实例,重分析,找思路,谋创新.意在为建筑师们在新的体育建筑创作中抛砖引玉,更快速地找到合适的创作途径。
2007, 29(5):23-25. DOI: 10.11835/j.issn.1674-4764.2007.05.005
Abstract:Each city includes memory elements. As a precious resource, the city memory exists, changes and continues in reality through visual material objects and cultural sub-consciousness. It is the basic context clue for urban people to apperceive, to experience themselves and their existent environment with the lapse and change of time. Beginning with the concept of memory, this article analyzed the relationship of time, space, human being and environment. It tried to use interdisciplinary research methods and rethink about the essence of city and architecture in the perspective of psychology and sociology, so as to explore the dee Pissues of ideology and value conception in urban design and urban conservation of history and culture.
ZENG Zhong-ping , LI Zong-hua , ZHAO Zhong-yuan , LU Xin-hai
2007, 29(5):26-30. DOI: 10.11835/j.issn.1674-4764.2007.05.006
Abstract:The 3D urban planning information system has been the focus topic in urban palnning management. In this paper,the related development of 3D urban planning is reviewed and the development object,data acquisition, system application level and three important characters of 3D urban planning information system have been also discussed. Thus, a system framework iseatablished. Finally,several primary problems are put forward and thought to be resolved to improve the practicability of 3D urban planning information system over large scale.
2007, 29(5):31-37. DOI: 10.11835/j.issn.1674-4764.2007.05.007
Abstract:17至18世纪,在欧洲及俄罗斯掀起了一股崇尚中国情调和仿效中国艺术的热潮,谓之“中国风”。文中考察了俄罗斯建筑艺术和造型艺术中出现中国形象的文化历史背景;用历史资料和图片展示了圣彼得堡及其郊区部分建筑艺术的中国风格;比较了俄罗斯建筑中的中式风格与中国传统建筑风格的差异,并分析研究了产生其差异的原因。研究成果丰富了中俄建筑艺术、文化、美学史的内容,有利于巩固和扩大俄中俄两国文化合作方面的友好联系。
2007, 29(5):38-43. DOI: 10.11835/j.issn.1674-4764.2007.05.008
Abstract:利用DEA方法和城市土地结构指数对1990年代以来的长江三角洲城市土地利用进行效率评价。研究结果表明:1990—2000年,长三角城市土地利用效率稳步提升,2000—2004年长三角城市土地利用处于持续高效状态,所有城市土地利用效率处于规模递增阶段。在城市土地利用结构中,优化的城市土地利用结构有助于城市效率的提升,未来长三角城市土地利用结构中需要降低工业用地比例,提升行政办公用地和绿地等比例,提高其均衡度。
GAO Xu-dong , JIN Song , QU Ya-dong
2007, 29(5):44-48. DOI: 10.11835/j.issn.1674-4764.2007.05.009
Abstract:An experiment is conducted on the impact of green roof on Indoor Human Thermal Comfort. The result shows that the temperatures of the building walls and indoor air fall for certain degrees, and that is good. But unfortunately, the relative humidity of the indoor air rises. Totally speaking, the whole effect is changed from feeling warm to basically acceptable. When the requirement of the indoor environment is high, it is impossible to be satisfied by exploiting green roof solely, other methods, such as using night ventilation, electric fans or air-conditioners, should be taken at the same time.
2007, 29(5):49-52. DOI: 10.11835/j.issn.1674-4764.2007.05.010
Abstract:分形作为一种设计语言,是创新的艺术表现方法。分形图形的对称、自相似、动态平衡等特性与几何条纹形的对称、连续的特点极其相似。将分形理论生成的规则分形图形应用于几何形建筑纹样设计中,不仅可以创作出新的几何形建筑纹样图形,而且丰富了几何形建筑纹样的设计方法。通过应用LS算法生成了两大类型多种Peano曲线,通过改变迭代次数,生成不同迭代深度的规则Peano曲线几何图形。将这些图形结合几何条纹形构成方法和图形特点应用于几何条纹形建筑纹样的设计,生成了如建筑窗格、建筑栏杆与建筑地坪等不同类型的几何条纹形建筑纹样,进而提出新的几何条纹形建筑纹样设计方法。
FU Jian-ping , KUANG Jian-gang
2007, 29(5):53-59. DOI: 10.11835/j.issn.1674-4764.2007.05.011
Abstract:By experiment of the beam bars in exterior short pier shear wall joints,the anchorage performance of the beam bars in joints on the action of low cyclic load have been studied to attest if the beam bars in exterior short pier shear wall joints can sufficed with the demanding of anchorage intensity and anchorage rigidity, when the anchorage of beam bars satisfy the requirement of the code.
LIU Yi , ZHU Zhan-you , WEI Wei , BAI Shao-liang
2007, 29(5):60-65. DOI: 10.11835/j.issn.1674-4764.2007.05.012
Abstract:在筛选出影响排架柱截面设计的最不利荷载组合的基础上,完成了系列单层单跨排架考虑二阶效应的弹性有限元分析,得到排架柱包括二阶效应在内的真实内力,最后再由弹性二阶分析结果求得排架柱的偏心距增大系数η·通过选取合适的η-l0关系,得到与η相配套的排架柱计算长度。
2007, 29(5):66-70. DOI: 10.11835/j.issn.1674-4764.2007.05.013
Abstract:This paper carried out an experimental study on the compressive property of Luojiashan Clay at Wuhan University. In order to investigate the influence of compaction degree, compaction water content and saturation state of compacted soil on the compressive property of clayey fill, compression tests were done on the samples compacted to different water content around optimum moisture content by different degrees of compaction. The theory of compacted soil structure was used to explain mechanism of the influence, and it was the change of soil structure that caused the variation of compresSive property. The results of the tests show that it was at agiven range of stress that degree of compaction and compaction water content have influence on the compressive prop- erty of clayey fill. Around optimum moisture content with degree of compaction decreasing or compaction water content increasing, the compressive deformation of clayey fill increased. When compacted fill was saturated by water soaking, the compressive deformation increased much, and the clayey fill compacted at greater water con- tent than optimum moisture content showed smaller compressive deformation caused by saturation at other conditions the same.
HUANG Ming-kui , WANG Ren , HU Ming-jian ,
2007, 29(5):71-74. DOI: 10.11835/j.issn.1674-4764.2007.05.014
Abstract:Based on the observerd ground-temperature data of the particle improved roadbed in Beiluhe test site of Qinghai-Tibet railway, the characteristics of the ground temperature to the particle improved roadbed and its temperature-control effect are analyzed ,and compared with other frozen soil protecting means. The result indicated that the ground temperature of the particle improved roadbed changes with the seasons,and its characteristics present as a sinusoidal curve. Compared with the normal roadbed, the paticle improved roadbed has cooling roadbed and the effect of protecting frozen soil in mean annual ground temperature. Compared with the normal duct-ventilation embankment, the cooling effect of the particle improved roadbed in cold season is less than that of the duct-ventilation roadbed,and the thermal shield effect is better than that of the particle improved roadbed in warm season. The ground temperature curve has the better tendency of the frozen soil protection. It is an active means of frozen soil protecton.
LEI Xiao-hua , CHEN Wei-min , YUE Ren-bin , XIONG Xian-cai
2007, 29(5):75-79. DOI: 10.11835/j.issn.1674-4764.2007.05.015
Abstract:由于大型建筑的空间结构复杂,在利用自动全站仪对其进行实时变形监测时,常常不得不将全站仪站点布设在变形区内,这必然导致测量精度急剧下降。针对这一问题,根据变形区通视角度较小的特点,提出了一种新的观测方法。该方法的基本思想是:在变形区布设多台全站仪使其与稳定基准点构成测边网,在每台全站仪顶部手柄处安装反射棱镜,使相邻两台全站仪之间能够相互通视。在每次观测前,首先进行动态基准测边网观测,通过测边网平差解算各个动态基准点坐标;若动态基准点的移动相对于前期坐标小于设定阈值(根据变形体的变形范围设定),分别以各个动态基准点处全站仪为测站进行其他观测点的变形观测。若大于阈值,则利用动态基准补偿算法求解观测点坐标。观测实验证明,该方法能够满足一般应用要求,直接更新测站坐标方式的中误差在3mm以内,而动态基准补偿方法的中误差在5mm以内。
2007, 29(5):80-84. DOI: 10.11835/j.issn.1674-4764.2007.05.016
Abstract:插销式钢管脚手架是一种新型的脚手架体系,该体系搭拆方便,省工省料,应用范围广,具有良好的结构性能和经济效益,是值得重点推广的一项脚手架新技术。但是目前国内几乎没有对这种新体系的理论研究。文中针对人们最为关心的节点问题,首先应用断裂力学理论对节点焊缝裂纹进行了稳定性分析,分析结果表明节点焊缝裂纹在脚手架正常工作状态下是稳定的,不会发生裂纹扩展;然后通过试验对节点V型耳的极限承载能力进行了测试,得到了V型耳的极限承载力以及节点的破坏模式,验证了断裂力学理论分析的成果。
NIE Yi-hua , ZHANG Qi-sen , XU Yang , HE Zeng-zhen
2007, 29(5):85-90. DOI: 10.11835/j.issn.1674-4764.2007.05.017
Abstract:Based on the Linear Elastic Multi-layer Theory, using the pavement finite-element program, this article discussed the shear stress distribution regularities and influencing factors in high grade asphalt pavement layers. The results demonstrate that the max shear stress appears in surface to 3cm depth span regardless of the material characteristic and thickness in each layer. The major influencing factors on the shear stress are modulus and Poisson ratio of asphalt layer, modulus of base layer. By comparing the database with testing results, to three asphalt layers pavement structure, it is necessary to check the shear strength in wearing layer and midlayer. When checking, the precious position must be found to calculate the max shear stress in each layer.
CHEN Qu , XU Jiang , Mizuta Yoshiaki
2007, 29(5):91-96. DOI: 10.11835/j.issn.1674-4764.2007.05.018
Abstract:The authors developed a computer program of transient predictive calculation method on underground ventilation network. The program approximated a field data set of seasonal cyclic changes of air Temperature and humidity at the inlet to the sine curves, and included sensible heat conduction from rock to air current. The temperature of rock around and airway was calculated by finite difference method. The prediction method can be used to calculate the variation of flow rates, temperatures and humidities of air flow in the airways along underground network.
WU Hai-yang , LIANG Shu-guo , GUO Bi-wue
2007, 29(5):97-102. DOI: 10.11835/j.issn.1674-4764.2007.05.019
Abstract:On the background of grandstand cantilevered roofs of two aiding foreign stadiums, the wind resistance of two large cantilevered roofs with different structure forms is compared on the basis of pressure data acquired from wind tunnel test of rigid models, according to their models, frequencies, mean wind pressure coefficients and fluctuating wind pressure power spectrum densities. A conclusion is made that the arch on the front edge of the large roof can improve the wind resistance, and is validated by calculating wind induced responses of the two kinds of the large roofs. Finally, several reasons for that the arch on the front edge is beneficial to the wind resistance of the large cantilevered roof are concluded.
XIA Guang-zheng , XIA Dong-tao , XU Li-hua , CHI Yin
2007, 29(5):103-106. DOI: 10.11835/j.issn.1674-4764.2007.05.020
Abstract:研究了揭示钢纤维和聚丙烯纤维混杂后对高性能混凝土强度和拉压比的影响.参照国家标准和试验方法,按不同的纤维掺量设计了9组混杂纤维增强高性能混凝土试件以及3组钢纤维增强高性能混凝土对比试件和1组普通高性能混凝土对比试件,进行了大量立方体抗压强度试验和劈裂抗拉强度试验研究,并对拉压比进行回归分析.结果在高性能混凝土中掺加适量的钢纤维和聚丙烯纤维后:对抗压强度影响不明显,但可使抗拉强度提高10%~30%,使拉压比增大到0.06~0.068;钢纤维体积掺量为0.8%、聚丙烯纤维体积掺量为0.11%时,混杂纤维增强高性能混凝土拉压比为0.068;混杂纤维增强高性能混凝土的劈裂抗拉试验为近似于延性断裂破坏.结论掺加适量钢纤维和聚丙烯纤维后,高性能混凝土的抗拉强度和拉压比均有不同程度的提高,这有利于提高高性能混凝土的抗裂性能和抗震性能.
LIU Hui ,
2007, 29(5):107-111. DOI: 10.11835/j.issn.1674-4764.2007.05.021
Abstract:从人、机、环境和管理四个方面对建筑施工现场安全状况的影响进行分析,以人一机一环境和管理系统为基础建立建筑施工现场安全评价指标体系,确定了体系层次结构及安全评价指标的权重,并运用模糊数学方法分别对建筑施工现场人、机、环境、管理四个单因素评判和整体综合评判,得到的结果直观、科学、合理、可靠,可在了解系统各个因素的安全状况的同时,掌握系统整体安全状况,具有实际应用价值。
CAO Lin-wei , PENG Xiang-he , LI De , LV Zhen-jiang , GAO Xiang
2007, 29(5):112-118. DOI: 10.11835/j.issn.1674-4764.2007.05.022
Abstract:The static stability of a tailings dam is analyzed with a finite element approach, which takes into account the effect of plastic deformation, temperature, saturation and void ratio on the properties of soil materials, the effect of water and soil interaction and the extended Mohr-Coulomb failure criterion. The concept of yield approaching degree is introduced, which is defined as the ratio of the existing equivalent stress to the yield stress taking into account the effects of different influencing factors. The response of the tailing dam subjected to the coupled saturated/unsaturated seepage and deformation is simulated, considering that the dry beach is 100-meter long and the starter dam is jammed, respectively. The important indexes such as the deformation and the phreatic surface of the dam are obtained. The distribution of the yield approaching degree in the whole dam under the given condition is obtained, which can provide not only a general stability assessment of the dam, but also important information to the decision-making for the reinforcement and maintenance of the dam.
YUE Di , LIU Gang , YANG Pu , HUANG Zong-ming
2007, 29(5):119-122129. DOI: 10.11835/j.issn.1674-4764.2007.05.023
Abstract:Thermal stress is one of the important influence factors of crack and deformation for large-span bridge structures. Grounded on Shibanpo Yangtze River double line bridge and universal finite element program MIDAS-Civil with referring to specifications of China and British BS5400, above all, it is for this Bridge that the stress and deformation influence is studied by setting section temperature difference and system temperature change, afterwards, the effect on the newborn bridge is discussed by combining impact of the section temperature difference and the system-calefaction linearly , and then, the effect is compared with the impact brought by moving load. The results will have a certain extent value for the design of ShiBanpo double line bridge and other similar bridges.
2007, 29(5):123-125. DOI: 10.11835/j.issn.1674-4764.2007.05.024
Abstract:通过对比分析住宅建筑内采用各种节水器具的用水量,得出住宅内平均每人每天的实际节约水量。在住宅建筑采用节水器具的节水量计算方法的基础上,提出对原有建筑内安装非节水型卫生器具改为节水型卫生器具的经济评价方法。这种方法具有实用性和直观性,可以作为建筑节水工作的理论依据和实用技术。并且通过实例分析得出,住宅建筑内冲洗便器用水和沐浴用水占用户用水量的比例很大,很有必要采用节水便器和节水淋浴龙头。
WANG Tao , QUAN Xiao-quan , LOU Shao - hua , YANG Bin , WANG Hai-tao
2007, 29(5):126-129. DOI: 10.11835/j.issn.1674-4764.2007.05.025
Abstract:Substantially, the process of biological treatment for wastewater is the process of bacterial energy metabolism. In this paper, from the viewpoint of energy and based on the conservation of mass and energy, an energy metabolism equation is constructed. Through the experimentation, the parameters in equation are measured. Through this equation the reason for SRT choice of activated sludge system is explained from the viewpoint of microcosmic. This equation is adaptable to optimizing the SRT of activated sludge system in the condition of low-organic load thereby to optimizing the energy distribution of activated sludge system for energy saving
CAI Jin-bang , LI Wen-qi , PANG Yong , YANG Xu-guang
2007, 29(5):130-134138. DOI: 10.11835/j.issn.1674-4764.2007.05.026
Abstract:对华北地区某水库水体中溶解性微囊藻毒素(extracellular microcystin—LR,EMC—LR)和藻类细胞内微囊藻毒素(intracellular microcystin—LR,IMC—LR)进行了为期1a的监测,研究了EMC—LR和IMC—LR随时间的变化规律。最后,利用SPSS软件.分析EMC—LR和IMC—LR与环境影响因子的相关性。结果表明,1~3月份和12月份,EMC—LR和IMC—LR均未检出,其高峰值出现在夏秋季。水库全年实测EMC—LR含量为0.9412±1.3379μg/L,最大值为5.6288μg/L,IMC—LR含量为0.0129±0.0165pg/cell,最大值为0.0833pg/cell。EMC—LR与高锰酸盐指数、叶绿素a、藻细胞密度、悬浮物和水温呈显著正相关(P〈0.001),与TN、NO3ˉ—N、TN/TP和透明度呈显著负相关(P〈0.001),IMC—LR与NH3-N呈负相关性(P〈0.05),与TN/TP呈现正相关性(P〈0.05)。
LI Jianng-hua , ZHENG Ze-gen , ZOU Xiao-bing XIAO Sheng
2007, 29(5):135-138. DOI: 10.11835/j.issn.1674-4764.2007.05.027
Abstract:SBR method is the short for intermittent sequencing batch freatment that is an ideal techmology to order a certain amount of intermittent operation of the activated sludge treatment process. SBR which is currently an in-depth study of the biological wastewater treatment technology is a simple process, the effect of stability, small footprint, and strong resistance to shock load and has good advantages of nitrogen and phosphorus removal capacity. This study first analyzes and discusses substrate degradation process of SBR method , compares among several different SBR methods, and then derives microbial growth and substrate degradation kinetics relationship with a view to promoting the progress of the work in this area.
ZHANG Hong-jing , LONG Teng-rui , HE Qing , WANG Ying
2007, 29(5):139-143. DOI: 10.11835/j.issn.1674-4764.2007.05.028
Abstract:从反应器理论出发,采用脉冲刺激响应技术对新型侧向流曝气生物滤池进行了流态试验。对液龄分布函数的数据统计得出,无因次方差σθ^2在0.12~0.20,P。准数在8~15,说明反应器流态介于全混流和平推流之间,偏于平推流。根据试验结果,运用轴向扩散模型建立了滤池的流态模型。进水流量和曝气量是影响LBAF水力混合特性的重要因素。曝气和增加进水流量有利于减少反应器的返混程度,使反应器的流态更接近于平推流。经理论分析认为,该流态有利于生物种群的空间分布,保证了反应器的容积利用率,提高了处理效能,是一种较好的流态形式。
YANG Rui-hai , LU Wen-xiong , YU Shu-hua , LI Ke
2007, 29(5):144-148. DOI: 10.11835/j.issn.1674-4764.2007.05.029
Abstract:研究了加入不同比例复合纳米材料和掺30~40%四掺复合掺合料的胶砂和C40级混凝土的性能。对复配的C40级混凝土试块进行了氯离子和硫酸盐侵蚀试验、对复配净浆试块进行了扫描电镜(SEM)和差示扫描量热(DSC)测试。并讨论了复合纳米材料在混凝土中的不同加入方式。结果表明:相对于基准C40级混凝土。掺入复合掺合料和复合纳米材料配制的C40级混凝土的流动性和抗硫酸盐、氯离子侵蚀的能力均有所增强,其抗压强度提高约20%;复合纳米材料掺入减水剂用于混凝土的效果优于掺入复合掺合料用于混凝土。复合纳米材料掺入减水剂中可以很好地解决纳米材料易于团聚的问题,确定了复合纳米材料的掺入方式是将复合纳米材料掺入减水剂中,掺入量为减水剂质量的0.5-1.0%.
2007, 29(5):149-153. DOI: 10.11835/j.issn.1674-4764.2007.05.030
Abstract:景区休闲度假房地产价值的形成包括成本构成和市场构成,通过对成本构成和市场构成的分析,两个方面都有资源的贡献。我国各种旅游资源的产权一般为国家所有,对旅游资源贡献就需要在房地产的投资者和资源的所有者之间进行分摊。提出了旅游房地产的成本构成和市场构成,并提出了旅游资源贡献分摊的概念,并通过实例分析了景区贡献的计算及其分摊,在理论上和实践上完善了我国的房地产价格管理体系。
2007, 29(5):154-158. DOI: 10.11835/j.issn.1674-4764.2007.05.031
Abstract:从技术进步的含义出发,在C—D生产函数和索洛余值的基础上,利用回归分析得出江苏、上海和浙江的资本弹性系数和劳动力弹性系数,进而分别计算和比较了三个地区建筑业经济增长中的年技术进步贡献率和各年相对于1995年的技术进步系数。主要结论:江苏省建筑业基本处于规模效益不变的阶段,上海市建筑业处于规模效益递减的阶段,浙江省建筑业处于规模效益递增的阶段;以1995—2003期间年均技术进步贡献率排序的话,为江苏(2.096%)、上海(0.898%)和浙江(0.683%)。研究结果表明,苏沪浙建筑业的经济增长质量不容乐观。
2007, 29(5):159-163. DOI: 10.11835/j.issn.1674-4764.2007.05.032
Abstract:This article states systematically the fundamental conception of the mode of construction management general contract, the contract structure and the organization structure through the analysis of the construction characteristics of Shanghai large-scale projects, considering the situation of China and the characteristics of this line. It also summarizes the characteristics of the mode of construction management general contract through the example of the Pudong International Airport Construction. The mode of construction management general contract not only meets the needs of construction technique in bettering the design of construction project building, but also releases the pressure in middle and later management of construction project building and overcomes the deficiency of the long-term building period, hard-to-control investigation brought by the problem of design, purchase, construction divided from and restricted by each other existed in the traditional contract mode. It also helps the contractor to provide socialized, specialized, commoditized service for the contractor. Helps to overall arrangement, economized investment, management level improve ment can be given. So it has the superiority in super large-scale projects construction compared with the traditional construction management.
2007, 29(5):164-167. DOI: 10.11835/j.issn.1674-4764.2007.05.033
Abstract:通过对城市房屋拆迁听证制度的考证和分析,强调了在城市房屋拆迁中坚持听证制度的重要意义;进而在对我国城市房屋拆迁听证现状检讨的基础上,从确立听证地位、前移听证时间、明确听证内容、细化听证程序等几方面提出了完善拆迁听证制度的若干具体可行建议。
JIAO Chu-jie , SUN Wei , GAO Pei-zheng , ZHOU Yun
2007, 29(5):168-172. DOI: 10.11835/j.issn.1674-4764.2007.05.034
Abstract:为了有效地提高我国土木工程在遭遇恐怖爆炸时的安全性能,针对恐怖袭击爆炸的特性,建议采用钢纤维高强混凝土(SFRHSC)加固和新建抗爆工程,介绍了该材料在抗爆方面优越于普通混凝土的物理力学性能与部分试验结果,总结了该材料在抗爆领域的科学研究与工程应用之历史和现状,分析了试验研究、理论分析与工程应用方面存在的问题,提出了本领域研究工作的方向与重点,为SFRHSC工程抗爆科研、建设与设计提供了参考意见。
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