SU1491934A1 - Water duct under embankment - Google Patents

Abstract

The invention relates to transport construction and can be used in the construction of culverts. The aim of the invention is to reduce the material consumption of the structure. The water throughput structure contains support arches 2, slabs of coating 3, adjacent to arch 2, and soil backfill. The outer edges of the arches 2 are stepped, symmetrical with respect to the axis of the arches. The upper face of each plate 3 is located above the level of the overlying stage 6, the lower part is supported on the lower stage 6. The height of each stage 6 is equal to the thickness of the covering plate 3. 2 Il.

Description

one

(21) 4285060 / 27-11

(22) 08/15/87

(46) 07.07.89. Bul (P 25

(71) Republican Design and Technological Trust Rosdororgtehstroy

(72) M.A.Sumin, B.Z.Marshak and N.S.Medvedev

(53) 624.21 (088.8)

(56) Technical proposals for rational and modern schemes of small and medium-sized road bridges and overpasses, taking into account industry specifications. Stage II (small bridges). Giprodor-NII, M., 1987, p. 21, hell H - 3 - 32 - mes.

(54) VO / UIRPIUS COOP TKF: HHE (37) The invention relates to transport construction and can be used in the construction of culverts. The aim of the invention is to reduce material consumption by building; and. The water throughput construction contains supporting arches 2, guishts of coating 3, adjacent to arch 2, and soil backfill. The outer edges of the arches 2 are stepped, symmetrical with respect to the axis of the arches. The upper face of each plate 3 is located 1 | e; the level of the overlying stage 6, the lower part is supported on the lower stage 6. The height of each stage 6 is equal to the thickness of the cover plate 3. 2 Il.

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The picture is related to transport construction and can be used in the knowledge of culverts.

The purpose of the invention is to reduce the consumption of water through the building.

FIG. 1 shows a culvert, a longitudinal section; in fig. 2 — node 1 in FIG. one.

The water throughput construction consists of fundamental plates 1, individual arches 2 supported on them, made, for example, in the form of separate semi-arches and interconnected in a lock (not shown). On the outer edges of the arches 2 there are cover plates 3, the bottom plates 4 being supported on the base plates 1. On the outer side of the plates 3 and 4 there is a soil backfill 5.

The outer edges of the arches 2 are made with a saw-tooth longitudinal outline with steps 6, symmetrically located with respect to the vertical axis of the structure. The plates 3 of the coating are supported by the ends of the lower faces on the step 6 of the arches 2, and their upper tips are connected to the steps 6 of the arches 2 by the clamping elements 7 made, for example, in the form of bolts. The upper ends of the plates 3 and 4 overlap the lower ends of the adjacent in height plates 3, and the gaps between the ends of the adjacent plates 3 and A are filled in with a sealed hermetic material 8, for example, concrete or cement. ment solution. Attachment elements 7 are placed in the open x 9 of the arches 2 and plates 3 and 4.

The construction works as follows.

34

In the construction of the culvert, the longitudinal shear forces from the action of transverse forces, as well as the longitudinal shear forces acting along the entire length of the arches 2, are perceived by saw-like steps of barocks in which they are supported by their lower ends of the cover plate 3. At the same time, sawtooth steps 6 work as reinforced concrete anchors of arches, made in one piece with the latter in their manufacture. Therefore, in the perception of shear forces acting in the places where the slabs of the 3 coatings adjoin the arches, not only the transverse reinforcement bars but also the concrete of the factory-made saw-tooth stages 6 work.

The protruding ends of the underlying plates 3 press down the lower ends of the flat plates. In this case, the sliding elements 7 do not work on the shear, but only perform the assembly functions of pulling the plates to the arches 2 for the duration of the work. In this way, the material consumption of the structure is reduced.

Claims (1)

Invention Formula A culvert under the embankment, containing a supporting arch and covering plates adjacent to the arch, characterized in that, in order to reduce the material consumption, the outer surface of the arch is made with steps symmetrical with respect to its longitudinal plane of symmetry, each plate supported by the step and its upper the face is placed above the level of the overlying step, and the height of each step is equal to the thickness of the cover plate. , / / T // 77/7 / / L /  f / ff (f {/ / {f / / // y / f: // A / /// /// /// /// /// /// /// ////// / // /// /// Fi.g.1 , / / T // 77/7 / / L / I // /// ///