Conclusion The cast post core and crown, and glass fiber post and resin core and crown treatment is better than refined screwpile and silver amalgam or resin core nucleus.
结论铸造桩核全冠和玻璃纤维桩树脂核全冠治疗效果优于成品螺纹钉桩加银汞合金核或树脂核全冠。
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It also expounds the principle why screw can increase bearing capacity, analysizes the importance of cylindrical part, and demonstrates the consistency of the structure of half-screwpile.
In order to solve the torsional problem of precast concrete screwpile in construction, the torsional behaviors of precast concrete pile body were designed strongly and studied by experimental method.