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复杂性
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    Structure. Space. Plane Constitute
    结构·空间·平面构成——谈室内设计的全面性和复杂性
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    Enlightenment of CAS theory for promoting the complication of the campus
    CAS理论对校园集群形态复杂性研究的启示
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    Wave propagation in saturated, porous media is an important subject in geotechnical and earthquake engineering.
    饱和多孔介质中波的传播是岩土地震工程中的重要问题,但由于模型的复杂性,很难利用解析法求解实际问题。
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    It introduces the testing method and result analysis of support - disk piles, including
    介绍了支盘桩的测试方法及结果分析,包括静载试验、高低应变动力检测以及支盘桩的复杂性和受力特征。
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    The friction angle is mainly controlled by the content of particles greater than 0.5 mm and total content of quartz and feldspar.
    值主要由其石英与长石总含量和颗粒中大于0.5mm的含量所控制,而c值的影响因素复杂性决定了其试验结果的离散性。
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Accoustics becomes so important and complicated a problem in modern building practice, that it should be properly considered by every architect today. From the view of its practical aspects, the author makes a general review of several major problems in recent development of architectural acoustics. 1. Criteria of room acoustics: a)Reverberation time, b)Practical aspects of physical acoustics and discussion of the second physical quantity, c)Subjective observations; 2. Sound Systems; 3. Acoustical materials;...

Accoustics becomes so important and complicated a problem in modern building practice, that it should be properly considered by every architect today. From the view of its practical aspects, the author makes a general review of several major problems in recent development of architectural acoustics. 1. Criteria of room acoustics: a)Reverberation time, b)Practical aspects of physical acoustics and discussion of the second physical quantity, c)Subjective observations; 2. Sound Systems; 3. Acoustical materials; 4. Noise control and sound insulation.

建筑声学在现代建筑设计中的地位日趋重要,其复杂性也随之而增加;为今日每一建筑师所值得注意的问题。作者以实用的观点对近年来建筑声学发展中的几个主要问题加以综合的叙述。一、室内音质的评价标准:(1),混响时间,(2)物理声学的意义,和第二物理参量的研究,(3)主观评价;二、扩音系统;三、吸声材料;四、噪声控制和声音隔绝。

~~

建筑施工是人类生产的一个特殊部门,其特性是产品固定不动,体积庞大,所处的地理条件复杂不一,因此建筑工地的运输就具有下列五个特点,即: 1.建筑材料的多样性,运输工具型式众多, 2.现场地理条件的复杂性,运输方式种类不一, 3.施工组织设计的易变性,运输计划适应困难, 4.建筑工地运输的单向性,车辆载重利用不足, 5.工地道路的临时性,行车调度不易合理。建筑事业工业化是解决建筑工地运输问题的基本方向。

The sound insulation performance of a light panel-stud partition is greatly affected by its construction details. Since the construction parameters are very complicated, it could hardly be predicted by calculation now if it is not impossible.After a series of experimental works in our sound insulation test facility, the following results are esteemed valuable for practice. (1) T. L. for steel stud partition is higher than wood stud by 4 dB in average. It is recommanded that the depth and spacing of stud should...

The sound insulation performance of a light panel-stud partition is greatly affected by its construction details. Since the construction parameters are very complicated, it could hardly be predicted by calculation now if it is not impossible.After a series of experimental works in our sound insulation test facility, the following results are esteemed valuable for practice. (1) T. L. for steel stud partition is higher than wood stud by 4 dB in average. It is recommanded that the depth and spacing of stud should not be less than 7 cm and 60 cm respectively. (2) Addition of the first extra leaf to a two-leaf panel partition would improve the T. L. by 5-6 dB, but for the another extra leaf only 2-4 dB. (3) Sound deadening fiber board strips between the stud and the panel on both side would reduce the sound bridge effect, and then an improvement of T. L. of 3-6 dB for steel stud partition is achieved, 6-9 dB for wood stud partition. (4) Acoustical fiber bat in cavity would improve the T. L. by 5 dB for steel stud partition, and 8 dB for wood stud partition. While only a small improvement, approximately 2 dB per leaf, could be gained by adding an extra leaf. (5)Since the effects of above measures are not simply additive, one might choose the propriety of construction carefully if a high T. L. partition is reqnired.

轻板隔墙的隔声性能在很大程度上取决于构造上的措施。由于构造参数的复杂性,目下还难以作出精确计算。本实验室对一系列构造方式进行了实验研究。得出一些有实用参考价值的结论。1.钢墙筋隔墙比木墙筋的一般要高出4分贝。墙筋的深度和间距分别不宜小于7厘米和60厘米。2.双层轻板隔墙上外加一层板可有5—6分贝之改善。但再加一层板只有增加2—4分贝。3.墙筋和墙板之间加上软质纤维板作垫层可减少声桥的影响,对钢墙筋隔墙可有3—6分贝之提高,对木墙筋隔墙则可有6—9分贝。4.空腔内填放纤维性吸声材料后,对钢墙筋隔墙可有5分贝之改进,木墙筋隔墙则古8分贝。此时,增加一层板仅有较小之提高,约2分贝。5.以上措施的效果不能简单地线性相加。因此对于要求高隔声量之隔墙,要仔细地选择适当的构造方式。

 
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