Cheu Qigao Ma Guanzhong Ding Xiaozhong Chen Yongcheng
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.001
Abstract:This paper presents a generalized Weber-Feehner's Law.It shows that this law can be used in assessing lighting,acoustical andthermal environment of building.The room articulation funetion,the li-ghting clarity funtion and the thermal comfort function are derived fromthis law.The ealeulated results of these funetions are coincident withthe experimental data obtained by some famous researchers in the world.It can be thought to be a universal law.
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.002
Abstract:Based on the contributing factors of earthqutake,its hazardregularity and the site investigation at Tongjing town in Chongqing,thispaper presents suggestions on the basis,principle and aim of earthquakeplanning in mountainous region,cities and towns as well as site selection,general layout of city,building arrangement,road width and quakeproofsafe area establishment,etc,
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.003
Abstract:In this paper,the ring shell lining with annularly verticalwalls made contact with the surrounding rock is considered as a combinationstructure formed of ring shell,inner and outer annular barrels on elastic fo-undation.The complex equation and its solutions of ring shell under deadload of lining and vertical and horizontal surrounding rock pressures are de-rived by the method of complex function.The governing equation and itssolution of the barrels on elastic foundation are also derived by theory ofcylindrical shell.And then,the ring shell lining is assembled by the subst-ructures by means of compatibility conditions of internal forces and defor-mations between them.In the paper,all formulas for the practical computa-tion in engineering are derived,the numerical examples are given and theeffects of the parameters of the lining on the work behaviours of lining alsoare discussed preliminarily
Li Liebiao Chen Ling Cao Huiyu
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.005
Abstract:Based on general concepts of microcomputer developmentsystem,the design concept and main characteristics of 1802 microcomputerdevelopment system are introduced in this paper.This system is ratio-nally designed,powerful in function and very useful for further develo-pment and application of 1802 host computer in communication.
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.006
Abstract:In this paper,the strength properties of rock mass withrows of intermittent bidirectional cross joints by simulating models arediscussed.Work has been done on finding the failure mechanism of therock mass as well as the influence of joint direction and lateral pressureon tne strength of the rock mass.At the end of the paper,model testresults ahd FEM analyses are presented and strength criteria for thiskind of rock mass are proposed.
Li Zhenqliang Shui Guohui Feng Yiran
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.007
Abstract:本文应用连续化方法将任意多边形的框筒、核心筒看作是由正交异性板组成的悬臂箱形梁。根据空间薄壁结构理论并考虑剪力滞后效应建立了统一的位移场表达式,然后应用能量变分原理建立了具有普遍意义的微分方程组,根据微分方程理论求得了解析解,并给出了一个算例。
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.008
Abstract:McHarg,a noted American landscape architect,hasbecome well known around the world as one of first group of ecologicalplanners since 1960s;As a pioneer of applying subjectively ecologicalprinciples to urban and regional landscape planning,he created a scienti-fical ecological planning method which has a far-reaching affect to mo-dern planning and design science in the world.This paper introducesMcHarg's philosophic idea and his ecological planning method,clarifiesthe perspective of applying the method to landscape planning and designin China.
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.010
Abstract:This paper proposes integral equation to find the criticalbuckling load of compression bars in mechanics of materials,thus theresearch method of this problem has been improved.
Wang Dongyun Zhang Zanxun Fu Linsen
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.011
Abstract:In this paper,the geological background as well as thedevelopment characteristics,deformation rupture behavior,and slideformation mechanics of the old and new slide area and the creeping rupturezone of Chongqing Shijialiang Landslide are analyzed in full detail.Onthe basis of this,the forecasting comment on the stability of the slide ismade and the protection measures are suggested.
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.012
Abstract:This paper atempts to analyse thee heat transfer processin the translucent slab,presents a mathematical model to find the solutionof temperatue distribution,and shows that the translucent slab can workas a heat barrier
Liu Rongguang Luo Huirong Tian Weibo Li Zhengyuan Zhang Fengbin
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.013
Abstract:Research results show that chevron-shaped tube has adva-ntages of better hydraulic condition needed for sedimentation and adapta-bility for treatment of raw water turbidity.This paper points out the wayto select the construction parameters of chevron-shaped tube.The contrastresearch between chevron-shaped tube and honeycomb-shaped tube has beendone.The formula of hydraulic characteristic parameter of chevron-shapedtube is given.This formula sets out a theoretic base for practical applicationof chevron-shaped tube.
1991, 13(4). DOI: 10.11835/j.issn.1674-4764.1991.04.015
Abstract:本文应用传热学理论对二滩电站通风竖井事故排烟时的烟气温降进行了分析,并在烟气入口温度为400℃,体积排烟量为7×10~4 m~3/h,竖井初始壁温为23℃,连续排烟时间为1小时的条件下,利用计算机求得了沿竖井高程烟气温度分布的数值解。解的结果表明:在满足上述条件的情况下,二滩电站通风竖井的烟气出口温度不超过32℃.这一结论对该电站通风竖井排风机系统的设置具有指导意义。
You are the visitor
ContactAddress:重庆市沙坪坝区沙正街174号,重庆大学A区
Postcode:400045 Fax:
ServiceTel:023-65111322 E-mail:xuebao@cqu.edu.cn
Copyright: ® 2024 All Rights Reserved