A kind of single armed type supporting frame structure,To be arranged around one fish Ponds of what on an at least boundary dykes and dams,The respectively recessed portion that the boundary dykes and dams are recessed with a upper surface and one from the upper surface,And the utility model then includes the fixing layer of setting the what upper surface and the recessed portion,The steel structure and a covering of the plural item setting what fixing layer,Those steel structures respectively have elongated end and a fixing end far from the elongated end and position what recessed portion on the water surface of the what Yu Ponds,The covering covers on those elongated ends of what,By those steel structures arrange in pairs or groups the covering use,Can in the case where not reducing Yu Ponds economic area,Expand the upper surface of boundary dykes and dams,And then increase the space of walking and operation,And by what recessed portion is arranged in those fixing ends,And can provide a resistance,To resist the power applied on those elongated ends of what.一種單臂型支撐架體結構，為設置於一魚塭周圍至少一邊界堤壩上，各該邊界堤壩具有一上表面以及一自該上表面凹陷的凹陷部，而本新型則包含有一設置於該上表面與該凹陷部的固定層，複數條設置於該固定層的鋼構以及一覆蓋件，該些鋼構各具有一位於該魚塭之水面上的延伸端以及一遠離該延伸端並位於該凹陷部的固定端，該覆蓋件覆蓋於該些延伸端上，藉由該些鋼構搭配該覆蓋件使用，可以在不縮小魚塭經濟面積的情況下，擴大邊界堤壩的上表面，進而增加行走以及作業的空間，並藉由將該些固定端設置於凹陷部，而可提供一抵抗力，以抵抗施加於該些延伸端上的力。
