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A platform for research: civil engineering, architecture and urbanism
Self-healing type spiral pile core stiff composite pile and pile forming method
The invention provides a self-healing type spiral pile core stiff composite pile and a pile forming method, the self-healing type spiral pile core stiff composite pile comprises a guide section spiral pile core and an extension section spiral pile core, the guide section spiral pile core comprises a guide section pile core body, the top of the guide section pile core body is provided with a first connecting piece, the outer side of the guide section pile core body is provided with a plurality of spiral blades, and the bottom of the guide section pile core body is provided with a pile tip; a grouting nozzle is arranged between the pile tip and the spiral blade on the lowermost side of the guide section pile core body and used for spraying grout, the grout comprises polymer microcapsules and cement paste, the extension section spiral pile core comprises an extension section pile core body, a first connecting piece is arranged at the top of the extension section pile core body, a second connecting piece is arranged at the bottom of the extension section pile core body, and a plurality of spiral blades are arranged on the outer side of the extension section pile core body. The polymer microcapsules and the cement paste are introduced into the core structure of the screw pile as self-healing materials, self-healing repair and enhancement of the screw pile core are achieved by means of the characteristics of the self-healing materials, stiffness, stability and adaptability of the pile body are improved, and meanwhile it is guaranteed that the construction process of a pile foundation is simple, convenient, economical and efficient.
本发明提供一种自愈合式螺旋桩芯劲性复合桩及成桩方法，包括引导段螺旋桩芯和延长段螺旋桩芯，引导段螺旋桩芯包括引导段桩芯本体，引导段桩芯本体顶部设有第一连接件，外侧设有多个螺旋叶片，底部设有桩尖，桩尖和引导段桩芯本体最下侧的螺旋叶片间设有注浆嘴，注浆嘴用于喷出浆液，浆液包括聚合物微胶囊和水泥浆，延长段螺旋桩芯包括延长段桩芯本体，延长段桩芯本体顶部设有第一连接件，底部设有第二连接件，外侧设有多个螺旋叶片，本发明将聚合物微胶囊和水泥浆作为自愈合材料引入到螺旋桩的芯部结构中，利用自愈合材料的特性，实现螺旋桩芯的自愈合修复和增强，并提高桩体的劲性、稳定性和适应性，同时保证桩基的施工工艺简便、经济高效。
Self-healing type spiral pile core stiff composite pile and pile forming method
The invention provides a self-healing type spiral pile core stiff composite pile and a pile forming method, the self-healing type spiral pile core stiff composite pile comprises a guide section spiral pile core and an extension section spiral pile core, the guide section spiral pile core comprises a guide section pile core body, the top of the guide section pile core body is provided with a first connecting piece, the outer side of the guide section pile core body is provided with a plurality of spiral blades, and the bottom of the guide section pile core body is provided with a pile tip; a grouting nozzle is arranged between the pile tip and the spiral blade on the lowermost side of the guide section pile core body and used for spraying grout, the grout comprises polymer microcapsules and cement paste, the extension section spiral pile core comprises an extension section pile core body, a first connecting piece is arranged at the top of the extension section pile core body, a second connecting piece is arranged at the bottom of the extension section pile core body, and a plurality of spiral blades are arranged on the outer side of the extension section pile core body. The polymer microcapsules and the cement paste are introduced into the core structure of the screw pile as self-healing materials, self-healing repair and enhancement of the screw pile core are achieved by means of the characteristics of the self-healing materials, stiffness, stability and adaptability of the pile body are improved, and meanwhile it is guaranteed that the construction process of a pile foundation is simple, convenient, economical and efficient.
本发明提供一种自愈合式螺旋桩芯劲性复合桩及成桩方法，包括引导段螺旋桩芯和延长段螺旋桩芯，引导段螺旋桩芯包括引导段桩芯本体，引导段桩芯本体顶部设有第一连接件，外侧设有多个螺旋叶片，底部设有桩尖，桩尖和引导段桩芯本体最下侧的螺旋叶片间设有注浆嘴，注浆嘴用于喷出浆液，浆液包括聚合物微胶囊和水泥浆，延长段螺旋桩芯包括延长段桩芯本体，延长段桩芯本体顶部设有第一连接件，底部设有第二连接件，外侧设有多个螺旋叶片，本发明将聚合物微胶囊和水泥浆作为自愈合材料引入到螺旋桩的芯部结构中，利用自愈合材料的特性，实现螺旋桩芯的自愈合修复和增强，并提高桩体的劲性、稳定性和适应性，同时保证桩基的施工工艺简便、经济高效。
Self-healing type spiral pile core stiff composite pile and pile forming method
一种自愈合式螺旋桩芯劲性复合桩及成桩方法
CHEN HAO (author) / ZHUANG XIAOXUAN (author) / WANG DONGXING (author) / ZHENG WEI (author) / ZHENG YANGYANG (author) / SUN YAOYONG (author) / GUO ZHENYU (author) / JIANG LIBAO (author) / SONG GUANSHENG (author) / LIU ZUOGANG (author)
2024-02-02
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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