Abstract: A concrete pile installation apparatus includes a pile clamping unit having stop plates arranged at different elevations and hand wheel-controlled clamping blocks disposed corresponding to the stop plates and operable to clamp concrete piles for installation and rollers that facilitate adjustment of the position of concrete piles, and two racks that use hydraulic cylinders to support the pile clamping unit and to adjust the elevation of the pile clamping unit and the clamped concrete piles.

Abstract: A concrete pile installation apparatus includes a pile clamping unit having stop plates arranged at different elevations and hand wheel-controlled clamping blocks disposed corresponding to the stop plates and operable to clamp concrete piles for installation and rollers that facilitate adjustment of the position of concrete piles, and two racks that use hydraulic cylinders to support the pile clamping unit and to adjust the elevation of the pile clamping unit and the clamped concrete piles.

Abstract: A steel mesh for steel reinforced concrete slab is disclosed to have a plurality of locating blocks selectively fastened to the ends of steel wire rods thereof to facilitate positioning in a mold accurately and positively during molding with concrete to form a steel reinforced concrete slab.

Abstract: A concrete wall fabrication system includes an endless track, mold carriers movably supported on the endless track for carrying a respective set of formworks for molding concrete into multiple concrete walls at a time, a concrete spouting unit set above the endless track and controlled to discharge a predetermined amount of concrete into each mold carrier, a vibrator unit set above the endless track and operable to vibrate the concrete in each mold carrier, and finished product collector unit set near one side of the endless track for collecting the finished concrete walls from each mold carrier for packing.