The ultimate loads of the walls are reduced because of the door holes, and strengthening measures should be taken in order to improve the ductility and earthquake resistance capacity.
试验还表明墙体在开洞后极限承载力下降较多，需要有相应的加强措施，以提高其延性和抗震能力。
The effect of pile diameters, pile lengths and bearing stratum on ultimate bearing capacity and shaft resistance was studied.
同时研究了桩径、桩长、持力层性质对单桩极限承载力和桩侧摩阻力的影响。
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