Geotechnical sand bag comprising connecting parts

A geotechnical sand bag comprises connecting parts comprises a bag body unit, an auxiliary unit, a sealing suture and two auxiliary sutures; the bag body unit comprises a surrounding part, a virtually-planar end part and an accommodating space defined by the surrounding part and the end part through surrounding; the auxiliary unit comprises the two connecting parts connected to the end part and two buffer spaces defined by the connecting parts through surrounding; the sealing suture is arranged at the end part and the connecting parts; the auxiliary sutures are arranged between the connectingparts and the end part; and angles are formed by the auxiliary sutures and the sealing suture. The connecting parts and the auxiliary sutures are arranged, when the filling pressure is excessively high, the auxiliary sutures can be broken firstly, and the corresponding connecting parts bulge, so that a user is warned, and damage to the geotechnical sand bag is avoided. 种具连结部的地工砂肠袋，包含个袋体单元、个辅助单元、个封口缝线及两个辅助缝线，该袋体单元包括个围绕部、个实