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Dołączył: 29 Paź 2010
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Wysłany: Czw 16:06, 04 Lis 2010 Temat postu: Into the overall urban transport planning to plan |
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Transportation planning into the overall urban planning to
Reduce the possibility of cracks. 3.8 against serious cracks in concrete floor crack treatment for first analysis to determine the nature of cracks, are harmless or harmful cracks. The cast is dangerous cracks in floor cracks in the following: (1) appears with the reinforcement of the transverse cracks perpendicular to the direction of extension of the compression zone; (2) near the top cantilever fixed end plate obvious cracks in the direction of tension the vertical reinforcement; (3) above the surrounding Cast obvious cracks or below the production cross cracks; (4) beam under near the bottom cross-sectional cracks appeared. Beams supporting parts of inclined cracks appeared; (5) continuous beam supported near the top of significant parts of the transverse cracks, which extend down the side; (6) near the fixed end of cantilever beam was vertical or diagonal crack; (7) Where the crack width more than the allowable design value; (8) Dynamic fracture, periodic repair the appearance of a joint deal with the bad. These serious harm where the floor cracks and crack width exceeds the design specification of the allowed values, are subject to careful analysis, and with the relevant building, construction, design, supervision and quality supervision and other units of study treatment. Port References: [1] Peng Shenghao. Construction Quality Problems Prevention Manual [M]. Beijing: China Building Industry Press. 1990. [2] Tie dream. Crack Control of Engineering Structures [M]. Beijing: China Building Industry Press. 1997. (Continued from page 7) in the so-called \Fenghuang have become the historical and cultural city, not the old county building in Phoenix how good is that protection of the old down town Phoenix. Larger than the old Western Phoenix building a more beautiful, more a long history of the Old City there, as were destroyed, only to Phoenix account Ngau Tau. Listen to the older generation that the old Zhangjiajie's \A few slices of the city are the remnants of old house, old neighborhood, the absence of conservation planning, protection measures, presumably also dying. . 'Why do not we have something worth preserving to keep it down? Even in modern times, almost to the imitation of Soviet-era buildings, there are fine, but also iconic. We need to leave future generations a sufficient number of things, we must take great efforts to protect the unique worth protecting old buildings, old streets, old town. This is the city's history, the city's witness, the essence of the nation, vigorously pursued real estate development in the old city, it is more harm than good. Old city to be cautious. Combined with the protection of transformation, the new context to consider the continuity of the city. Only then can we create a unique, different from other parts of the unique city. Urban construction, involved in all aspects, it is a systematic project, demanding the city operators. It is the social, cultural, ethnic, ethics, customs and other spiritual reflection, but also construction, municipal, environmental, and other material aspect of the combination of blocks, it requires vision, balance, multi-listen, scientific and democratic decision-making, the only way , we can truly become a builder, not the destroyer, so that we never put the city charming radiance. To pass into the overall urban planning planning May 19, 2004, Vice Minister of Construction Qiu urban public transport in the country, said the work session, for five years or so with a basic set of public transport in urban traffic in the dominant position. In the future, large cities, \facilities, simultaneous design, construction and completion has been put to use public transport market, station and other facilities are not free to change of use. (Seriously)
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