A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Salinized soil roadbed structure considering freezing and thawing cycle effect and construction method
The embodiment of the invention discloses a salinized soil roadbed structure considering the freezing and thawing cycle effect and a construction method. The salinized soil roadbed structure comprises a salinized soil layer, a gravel-cobble salt-blocking separation layer, geotechnical cloth, a heat preservation layer and a side slope soil layer. Wherein the salinized soil layer comprises an upper salinized soil layer, a middle salinized soil layer and a lower salinized soil layer, the gravel-cobble salt-resistant separation layer comprises a first gravel-cobble salt-resistant separation layer and a second gravel-cobble salt-resistant separation layer, and the geotechnical cloth comprises first geotechnical cloth and second geotechnical cloth. The salinized soil roadbed is provided with a heat preservation layer, and damage of water and salt to the roadbed structure due to the freezing and thawing cycle effect is weakened. The roadbed slope is provided with the slope soil layer, vegetation is planted, growth of the vegetation is guaranteed through the water collecting tank and the drip irrigation belt, and therefore stability of the saline soil roadbed slope is guaranteed. A drainage ditch is formed in the salinized soil layer, and water and salt migrated and enriched in the gravel-cobble salt blocking and isolating layer are discharged out of the salinized soil roadbed. According to the method, the occurrence of saline soil roadbed diseases in a freezing and thawing cycle state is effectively controlled, and the service life of municipal road engineering in a saline soil area is prolonged.
本发明实施例公开了一种考虑冻融循环作用的盐渍土路基结构及施工方法，该盐渍土路基包括盐渍土层、卵砾石阻盐隔断层、土工布、保温层和边坡土层。其中，盐渍土层包括上盐渍土层、中盐渍土层和下盐渍土层，卵砾石阻盐隔断层包括第一卵砾石阻盐隔断层和第二卵砾石阻盐隔断层，土工布包括第一土工布和第二土工布。盐渍土路基设置有保温层，削弱因冻融循环作用水盐对路基结构的侵害。路基边坡设置有边坡土层，并种植植被，通过集水箱及滴灌带保证植被的生长，从而保证盐渍土路基边坡的稳定。盐渍土层设置有排水沟，将迁移富集于卵砾石阻盐隔断层中的水盐排至盐渍土路基之外。本发明有效地控制了冻融循环状态下盐渍土路基病害发生，延长了盐渍土地区市政道路工程的使用寿命。
Salinized soil roadbed structure considering freezing and thawing cycle effect and construction method
The embodiment of the invention discloses a salinized soil roadbed structure considering the freezing and thawing cycle effect and a construction method. The salinized soil roadbed structure comprises a salinized soil layer, a gravel-cobble salt-blocking separation layer, geotechnical cloth, a heat preservation layer and a side slope soil layer. Wherein the salinized soil layer comprises an upper salinized soil layer, a middle salinized soil layer and a lower salinized soil layer, the gravel-cobble salt-resistant separation layer comprises a first gravel-cobble salt-resistant separation layer and a second gravel-cobble salt-resistant separation layer, and the geotechnical cloth comprises first geotechnical cloth and second geotechnical cloth. The salinized soil roadbed is provided with a heat preservation layer, and damage of water and salt to the roadbed structure due to the freezing and thawing cycle effect is weakened. The roadbed slope is provided with the slope soil layer, vegetation is planted, growth of the vegetation is guaranteed through the water collecting tank and the drip irrigation belt, and therefore stability of the saline soil roadbed slope is guaranteed. A drainage ditch is formed in the salinized soil layer, and water and salt migrated and enriched in the gravel-cobble salt blocking and isolating layer are discharged out of the salinized soil roadbed. According to the method, the occurrence of saline soil roadbed diseases in a freezing and thawing cycle state is effectively controlled, and the service life of municipal road engineering in a saline soil area is prolonged.
本发明实施例公开了一种考虑冻融循环作用的盐渍土路基结构及施工方法，该盐渍土路基包括盐渍土层、卵砾石阻盐隔断层、土工布、保温层和边坡土层。其中，盐渍土层包括上盐渍土层、中盐渍土层和下盐渍土层，卵砾石阻盐隔断层包括第一卵砾石阻盐隔断层和第二卵砾石阻盐隔断层，土工布包括第一土工布和第二土工布。盐渍土路基设置有保温层，削弱因冻融循环作用水盐对路基结构的侵害。路基边坡设置有边坡土层，并种植植被，通过集水箱及滴灌带保证植被的生长，从而保证盐渍土路基边坡的稳定。盐渍土层设置有排水沟，将迁移富集于卵砾石阻盐隔断层中的水盐排至盐渍土路基之外。本发明有效地控制了冻融循环状态下盐渍土路基病害发生，延长了盐渍土地区市政道路工程的使用寿命。
Salinized soil roadbed structure considering freezing and thawing cycle effect and construction method
一种考虑冻融循环作用的盐渍土路基结构及施工方法
LUAN GUITAO (author) / LIU HONGKE (author) / LIANG QUANCE (author) / ZHENG FANG (author) / GUO XIAOFENG (author) / SONG ZHANPING (author) / SONG HAIKUI (author) / ZHANG YUWEI (author) / YU HONGLIANG (author) / LIU NAIFEI (author)
2023-09-01
Patent
Electronic Resource
Chinese
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