Structural engineering dominated geotechnical structured permanent supporting system and design method

Abstract

The present disclosure provides a structural engineering dominated geotechnical structured permanent supporting system and a design method, and belongs to the technical field of underground structures. Through the technical solutions, the structural engineering dominated geotechnical structured permanent supporting system comprises a supporting structure designed on the basis of the partial coefficient of a permanent load, the supporting structure is connected to frame columns of a main structure through a plurality of connecting members arranged at intervals, and a partition wall for blocking soil mass is arranged between every two adjacent frame columns to form a permanent supporting system only bearing soil pressure in the horizontal direction of the supporting structure. When the system is designed, the combined action generated after the main structure and the supporting structure are connected is considered, so that the use of materials is reduced, and the cost is reduced.

1 . A structural engineering dominated geotechnical structured permanent supporting system, comprising a supporting structure designed on the basis of the partial coefficient of a permanent load, wherein the supporting structure is connected to frame columns of a main structure through a plurality of connecting members arranged at intervals, and a partition wall for blocking soil mass is arranged between every two adjacent frame columns to form a permanent supporting system only bearing soil pressure in the horizontal direction of the supporting structure. 
     
     
         2 . The structural engineering dominated geotechnical structured permanent supporting system according to  claim 1 , wherein backfilled soil is filled between the partition wall and the supporting structure. 
     
     
         3 . The structural engineering dominated geotechnical structured permanent supporting system according to  claim 1 , wherein the material strength of the supporting structure is the same as or higher than that of the main structure. 
     
     
         4 . The structural engineering dominated geotechnical structured permanent supporting system according to  claim 1 , wherein the backfilled soil is rammed backfilled soil, and the side, away from the backfilled soil, of the supporting structure is natural soil. 
     
     
         5 . A design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 1 , comprising the following steps:
 designing the supporting structure according to the partial coefficient of the permanent load in advance; designing the main structure without a basement exterior wall, and designing the connecting members;   constructing the supporting structure, excavating the soil inside a foundation pit and treating a substrate;   constructing the main structure, and connecting the main structure with the supporting structure through the connecting members; and   constructing the partition walls in grooves, and then backfilling soil mass in the grooves.   
     
     
         6 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 5 , wherein when the supporting structure is designed, considering the influence of the combined action of the main structure and the supporting structure in later period, the main structure can bear the soil pressure permanently. 
     
     
         7 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 6 , wherein based on the design of the main structure, the supporting structure is designed in cooperation with the main structure. 
     
     
         8 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 5 , wherein the inner side of the supporting structure, the outer side of the partition wall and the connecting member are all subjected to waterproof and antiseptic treatment. 
     
     
         9 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 5 , wherein after the soil mass in the grooves is backfilled, the backfilled soil is compacted in layers. 
     
     
         10 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 5 , wherein the supporting members of the supporting structure are supporting piles or underground continuous walls. 
     
     
         11 . The structural engineering dominated geotechnical structured permanent supporting system according to  claim 2 , wherein the material strength of the supporting structure is the same as or higher than that of the main structure. 
     
     
         12 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 4 , wherein backfilled soil is filled between the partition wall and the supporting structure. 
     
     
         13 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 4 , wherein the material strength of the supporting structure is the same as or higher than that of the main structure. 
     
     
         14 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 5 , wherein the material strength of the supporting structure is the same as or higher than that of the main structure. 
     
     
         15 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 4 , wherein the backfilled soil is rammed backfilled soil, and the side, away from the backfilled soil, of the supporting structure is natural soil. 
     
     
         16 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 12 , wherein when the supporting structure is designed, considering the influence of the combined action of the main structure and the supporting structure in later period, the main structure can bear the soil pressure permanently. 
     
     
         17 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 13 , wherein when the supporting structure is designed, considering the influence of the combined action of the main structure and the supporting structure in later period, the main structure can bear the soil pressure permanently. 
     
     
         18 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 14 , wherein when the supporting structure is designed, considering the influence of the combined action of the main structure and the supporting structure in later period, the main structure can bear the soil pressure permanently. 
     
     
         19 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 15 , wherein when the supporting structure is designed, considering the influence of the combined action of the main structure and the supporting structure in later period, the main structure can bear the soil pressure permanently. 
     
     
         20 . The design method of the structural engineering dominated geotechnical structured permanent supporting system according to  claim 16 , wherein based on the design of the main structure, the supporting structure is designed in cooperation with the main structure.