| 摘要 |
<p>The reinforced concrete structure is constructed from prefabricated girders (2) resting freely on prefabricated uprights (1). The uprights are joined together by rods (4) which fit into tubes (5). The rods are sealed inside the tubes (5)with extremely resistant mortar. The bottom end of each upright has a protruding rod (4) and the top of each upright has a protruding tube (5), so that adjacent sections interlock. The protruding part of the tube (5) projects by an amount above the upright equal to the thickness of the corresponding girders (2). Each tube has on one side near the top end, a threaded socket for taking a screw for regulating the height of the next upright.</p> |
