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(1 嘉興職業(yè)技術(shù)學(xué)院， 嘉興 314036； 2 沈陽(yáng)建筑大學(xué)土木工程學(xué)院， 沈陽(yáng) 110168)

［摘要］為了研究采用尼龍網(wǎng)和直徑為4-064mm的8號(hào)鍍鋅鐵絲作為加強(qiáng)措施的改性生土墻體抗震性能，設(shè)計(jì)了兩片采取上述加強(qiáng)措施的改性生土墻體試件和一片未采取上述加強(qiáng)措施的改性生土墻體試件，通過(guò)擬靜力加載試驗(yàn)，對(duì)比分析了墻體試件的破壞特征、承載能力、滯回曲線及剛度退化等。研究結(jié)果表明，采用尼龍網(wǎng)和8號(hào)鍍鋅鐵絲加強(qiáng)措施能夠延遲墻體裂縫發(fā)展，增強(qiáng)墻體整體性能和改善墻體變形性能，使墻體的耗能能力提高，剛度退化延緩。因此，上述加強(qiáng)措施能有效改善生土建筑的抗震性能。

［關(guān)鍵詞］生土建筑； 改性生土墻體； 尼龍網(wǎng)； 8號(hào)鍍鋅鐵絲； 抗震性能； 擬靜力試驗(yàn)； 耗能能力

中圖分類號(hào)：TU361文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2019)05-0053-05

Experimental study on seismic behavior of  modified raw earth wall reinforced  with nylon web and iron wire

Gu Wei1, Zhang Yannian2, Gu Yajie2, Chang Ping2

(1 Jiaxing Vocational Technical College, Jiaxing 314036, China;2 School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

Abstract:In order to study the seismic behavior of  modified raw earth wall reinforced  with nylon web and galvanized iron wire No.8 with diameter of 4-064mm as strengthening measures, two  modified raw earth wall reinforced  specimens with the above strengthening measures and one modified raw earth wall specimen without the above measures were designed. The failure characteristics, load-carrying capacity, hysteresis loop and stiffness degradation of the specimens were compared and analyzed by quasi-static loading test. The test results indicate that the development of the cracks of  the wall   can be delayed, the whole performance of the wall can be strengthened and the deformation performance of the wall can be improved by using nylon web and galvanized iron wire No.8.  Moreover, the energy dissipation ability of the wall can be enhanced and the stiffness degradation of the wall can be delayed. Therefore, the above strengthening measures can effectively improve the seismic behavior of raw earth buildings.

Keywords:raw earth building; modified raw earth wall; nylon web; galvanized iron wire No.8; seismic behavior; quasi-static loading test; energy dissipation ability