RAFT BASE

[kasky]

HELLO, I've been trying for a long time, but the ground safety is negative all the time. Can you help me in this regard? It seems to me that the foundation is too big. Even though I increased the ground tension by 50% by using the superstructure interactive and earthquake forces, it did not solve the problem in making the cracked ground. Also, when we use the earthquake load, in which article of the earthquake regulation can I find an increase by 50%? Thank you smdıden

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[Levent Özpak]

Hello, The project has been checked for negative stresses and average stress options. In these settings, it gives a negative warning of ground safety due to negative tension control. Negative stresses are formed in the upper left and right corner regions with an ampatage of approximately 4 meters. To avoid negative stresses, you need to reduce amplifications. Foundation stresses increase in the region where the structural coefficient reaches 17. Article 6.3.2.1 also states that the soil safety stress can be increased when seismic loads are used. It is a quote; "b]6.3.2. Soil Safety Stress and Safe Bearing Loads of Piles[/b] 6.3.2.1 - Groups (A), (B) and (C) in Table 6.1 as foundation soil soil safety stress [/b][/u], defined according to static loads, and in pile foundations, the safe bearing load of the pile for horizontal and axial loads is the maximum in case of earthquake. It can be increased by 50%." Good work