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This design installs the process to the road bridge in the space knothole porterage work request, design a kind of new derrick - build a bridge the Dragon gate derrick of liquid press the system, build a bridge the Dragon gate derrick to mainly be constitute by four parts, namely:Rise to rise the organization, small garage to walk organization, change direction the organization and big garages to walk organization.

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To resolve the design difficulties caused by small cross-section, low height of the bridge structure, the key technique problem to the bridge structure should be carried on research and analysis, such as whole calculation model, considering foundation combined action , the reasonable rigidity match to the joint of the girder and pier ,inner force redistribution caused by the system conversion ,the forecast to long-term deformation after building , stress analysis and tectonic steel bar of the anchored serration block , the influence of foundation settlement and anti- earthquake measures . To acquire feasible and reasonable technique parameters and provide the full design basis, according to analytical results adjust and optimize the bridge structure design.

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This small bridge is made of thick planks.

這座小橋是用厚厚的木板搭起來的。

Based on large quantity of investigation and study of bridges in small town and comprehensive collection of existing research documents in and beyond the country, the fundamental statement of bridges in small town is generalized in this paper. At the same time, the present main problems of bridges in small town are pointed out. According to the characteristic of small town, the factors such as regional differences, economy, function, safety, landscape and environmental protection that affect the selection of bridge type in small town are analyzed. Based on those factors, the adaptable bridges, the types of bridge pier and abutment as well as common types of affiliated facilities for small town are put forward.

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Garden Street South house prices in the 1,400 yuan per square meter, while a small bridge located in Seongbuk-Hui Hakka supermarket north of the first woolen mill to the original number of real estate properties for sale between the actual sale price is around 1,400 yuan.

花園南街房價在1400元平方米，而小橋位于城北區(qū)輝客家超市北第一毛紡織廠的原始一些房地產(chǎn)銷售與實際銷售價格大約是一四〇〇元巨乳操逼视频播。

So, a vivid picture like a story will be displayed in your imagination: In sight of the beautiful scenery with withered vine, old tree, crow returning home at dusk, small bridge, river and households, a man, accompanied by west wind and a thin horse on the ancient road, is suffering from homesickness.

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The research result in this paper paves way to the further study of small town bridge. It has great value for the promotion of small town bridge development.

本文的研究成果對今后小城鎮(zhèn)橋梁的進一步研究奠定了基礎(chǔ)，對促進小城鎮(zhèn)橋梁發(fā)展具有較大的實用價值色精品网站。