本文阐述了模型碎石桩的应力测定,尤其是测量水平向应力的试验方法。通过分析实测的资料,可以了解在加载过程中,应力在碎石桩中的传递,为研究碎石桩的破坏机理提供了依据。在对碎石桩破坏机理做了分析之后,给出了单根碎石桩极限承载力的计算式,与Brauns的计算式对比后发现,两者差异不大,而前者和实际情况更为接近。 This article describes the determination of the stress of the model gravel pile, especially the test method for measuring the horizontal stress. By analyzing the measured data, it can be understood that the stress is transmitted in the gravel pile during the loading process, which provides a basis for the study of the failure mechanism of the gravel pile. After analyzing the failure mechanism of gravel piles, the calculation formula for the ultimate bearing capacity of a single gravel pile is given. Compared with the calculation formula of Brauns, it is found that the difference between the two is not large, and the former is closer to the actual situation. .