DE1723713U - REINFORCED LIGHT CONCRETE PANELS, IN PARTICULAR MULTIPLE PANELS. - Google Patents

Description

Reinforced bonded concrete slabs, especially multi-skin sheets

The hiring concerns reinforced leiclit concrete slabs, especially multi-skin sheets with recesses on the top of the sheet ends, in which after laying Reinforcement is introduced into the slabs and poured with heavy concrete.

Ss is already known "with reinforced concrete slabs full cross-section to arrange recesses on the top of the panel ends above the support points, in which protrude the reinforcing bars of the plates, and to insert reinforcement in these recesses, and to be poured with heavy concrete. In this embodiment, however, the reinforcing bars have no fixed connection between each other, so that there is no reliable absorption of the tensile forces over the plate joint stat is. The hook-shaped ends of the

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37b 2. 1723 713. Friedr. Remy NaAf. A.G., Neuwied / Rhine. I Reinforced lightweight concrete slabs, especially multi-skin sheets. 9. 4. 53. R 6257. (T-10; line 2)

Reinforcing bars protrude from below into the heavy concrete casting and can easily cause it to break out or seize when subjected to tensile stress. the In this embodiment, recesses at the ends of the panels extend over the entire width of the panel, so that the heavy concrete casting results in a large increase in weight at the support points.

In another embodiment of this known, Panel construction close to the recesses the top of the plate ends still running in the longitudinal direction chamber-like extensions, in the extra iron for bridging the plate stcsses are inserted. This embodiment too does not guarantee reliable absorption of the tensile forces from the panel joint, as there is no fixed connection here either the rebar takes place with each other.

■ Furthermore, it has also already been proposed to connect the reinforcing iron firmly to each other to absorb the tensile forces occurring above the plate joint in the case of lightweight concrete web panels with recesses on the top of the panels that also extend over the entire width of the panel and reinforcing iron protruding into these recesses. This is done in the "else that sus dan plates outstanding sins of rebar üragabögen hook-and inserted reinforcement

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37b, 2. 1723 713. Friedr. Remy; Nadif. A.G., Neuwied / Rhine. j _ Reinforced Leidit concrete slab », especially victory slabs. 9.4.53. R 6257. (T .. 10; Z ^ 2); ^

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irons are bound together, their sins too hook-shaped so that they are in the hook-shaped Ends of the rebar are attached. From this connection, too, are those that occur above the supports negative moments are not reliably absorbed because the reinforcing bars hooked into each other in the Bending cannot be stressed so much that the tensile forces resulting from the negative moments be safely absorbed by them. Also have to With this panel mounting, the ends of the multi-skin panels located under the recesses are solid, otherwise the plate ends would be weakened too much. The production of such a plate is, however, extremely laborious and expensive. Also is also in this embodiment the increase in weight due to the heavy concrete pouring over the supports.

All these material parts are avoided when hiring. Rather than in the known embodiments Recesses extending over the entire width of the plate are on the top of the Plates only relatively narrow sutures of less Arranged deep, the sk at their ends box-like depressions have in those at the ends U-shaped downwards bent reinforcing iron inserted and in heavy concrete

37b, 2. 1723 713. Friedr. Remy Na & f. A.G., Neuwied / Rhine. : I ■. ■, ■■. ■ • Reinforced Lightweight concrete panels, especially multi-skin panels: 9.4.53. R 6257. <Τ.ύΟ; Ζ: 2) '

7 JUNE 1358

be embedded, so that a clamp-like connection to absorb the negative moments of binding at the panel joints above the supports.

This type of construction ensures reliable absorption of those that occur at the board joint above the supports Tensile forces with minimal weakening of the panel cross-section and minimal increase in weight by pouring heavy concrete as the uutes to accommodate the klanimersrtigen Connection of the plates can be arranged between the cylindrical cavities of the multi-skin plates, so that the cylindrical cavities over the entire length the panels can be made continuous and no reinforcement of the panel ends is required.

Another characteristic of chewing are in the Bach Lateral recesses arranged along the front edges of the panels, extending over almost the entire panel thickness extend and complement at the board joint to form longitudinal grooves with a wedge-shaped cross-section, into the grooves on the bands Reinforcing iron bent upwards in a U-shape is inserted and embedded in heavy concrete, which is like a bridge are bent in such a way that they are in the tensile zone of the panel joint near the top of the panel and rait the Versnkcrungssndsü iü the Drucksoüe of Plsttenstosssö

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37b, 2. 1 723 713. Friedr. Remy Nadif. AG. Neuwied / Rhine. \ Reinforced lightweight concrete slabs !, in particular ^ web slabs. 9. 4. 53. R 6257. (T. 10; £. Ά

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rest on the underside of the side recesses.

The combination of these two new features results in a panel construction that can be used in its manufacture is extremely simple and cheap and moreover has the advantage that the plates are hardly exposed to the risk of damage during transport because they have no edges that break out easily and no freely ■ protruding strips of reinforcing iron that can be bent during transport. The increase in weight due to the heavy concrete pouring at the connection points is incomparably lower than with the oneself recesses extending over the entire width of the plate.

In the matter of fact, the tax object is based on of the accompanying drawings explained and described in detail.

Ss show:

Fig. 1 is a plan view of a plate connection according to the present innovation,

Fig. 2 is a section through a longitudinal groove of the plate connection along the section line II-II of Fig.l,

5 shows a section through the panel connection in the longitudinal abutting edge along the section line III-III in FIG. 1,

Fig. 4 is a section through the panel joint according to the Section line XV-IY of the? Ig. 1,

37b, 2. 1 723 713. Friedr. Remy NaAf. AG, Neuwied / Rhine. | Reinforced leichtbetonplattera, especially multi-wall sheets. 9. i. 53. R 6257. (T .. 10; line 2)

7JUKI 1358

Pig. 5 shows a section through the longitudinal panel joint nac% of the section line V-V of FIG. 1.

In the drawings, the example of a fire is shown Multi-skin sheet with continuous over its entire length cylindrical cavities shown. With 1 the individual plates are designated, in the upper side in the longitudinal axis extending hats 2 of preferably trapezoidal cross-section are arranged. These only have their depth is about 1/4 of the entire panel thickness, have " their ends box-shaped depressions 3, which extend into the plate at least up to half the plate thickness and about twice as long as the width of the hat. In these butes you will find both of them in a U-shape Reinforcing iron 4 bent at the bottom is inserted and the hats are filled with heavy concrete 5. There are rogue-minded people Connecting pieces that absorb the tensile forces occurring at the board joint above the supports. The one when potting with heavy concrete at the hook-shaped ends of the rebar 4 Place the block-like pieces of heavy concrete in the box-shaped depressions 3 of the udders with their surfaces 3a in the direction of arrow A firmly against the surfaces of the box-shaped depressions 3. Through this the tensile forces occurring above the panel joint are reliably relieved by the clamp-like connection

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37b, 2. 1723715. Friedr. Remy NaAf. A.G., Neuwied / Rhein .. ·! Reinforced Lightweight concrete panels, in particular multi-wall panels. 9.4.53. R 6257. (T ... 10; line 2)

/.JÜM 1258

pieces or the reinforcing iron.

As can be seen from Fig. 4, these are longitudinal grooves 2, 3, respectively arranged between two of the cylindrical cavities 9 of the Etegplstten.

In the longitudinal end edges of the plates, lateral recesses 7a and Tb are arranged, which Extend almost over the entire dioke and on the Panel joint to longitudinal grooves 7 of wedge-shaped cross-section add to. These become U-shaped at their two ends Reinforcing iron 8 bent upwards is inserted, which are angled like a bridge so that they are in the tensile zone of the board joint on the upper side of the butes, while the hook-like anchoring ends of the same rest in the Uruok zone on the underside of the sutures. reliably absorbs negative moments. At the same time, the connectors in the butene 7 a displacement of the plates against each other prevented in their längsaohse. In addition, the Plates on their long sides, as shown in Fig. 5, in The avowed way into one another like a tongue and groove and are also there by a concrete grouting

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connected to each other, so that only in a vertical direction no displacement of the plates against each other

Claims (4)

A.G., Neuwied / Rhine. | Reinforced nt 4 I f CMC * η lightweight concrete slabs, in particular _StegpIat- Ph I L L R H * -Q th. April 9, 53. R 6257. (T ... 10; line 2) i. Γ *. ■ E I fV / V »» * U.: - ■ 7JUNi 1356 _ g _ Treasury claims 1. Reinforced lightweight concrete panels, especially multi-skin panels, with recesses on the top of the panel ends, After the slabs have been laid, reinforcement is introduced into them and poured with heavy concrete marked that in the tops of the panels in whose longitudinal axis extends grooves of preferably trapezoidal cross-section and shallow depth which have box-like depressions at their ends, into which the ends are U-shaped towards the bottom bent reinforcing iron inserted and in heavy concrete be embedded so that a bracket-like connection to absorb the negative bending moments on the Slab joints occur over the supports. 2; Reinforced lightweight concrete plsts according to claim 1, characterized characterized in that the box-like depressions have at least the same or a greater depth and approximately twice the length as the hat itself. 3. ·. Reinforced lightweight concrete slabs according to claims 1 and 2, characterized in that the ^ uten for the bracket-like Tie rods for multi-skin sheets with over the whole Plate length continuous cylindrical cavities are each arranged between these cavities. 37b, 2. 1723 713. Friedr. Remy Nadif. A.G., Neuwied / Rhine. | Reinforced lightweight concrete panels, especially multi-skin panels. 9/4/53. R 6257. {Τ .. 10; Line 2) 7 JUNE 1S5S 4. Preserved iJeichtbstonplatteü after spoke 1, us through marked that ate the long sides of the plates lateral recesses of wedge-shaped cross-section are arranged, which extend up close to the ^ lattenuntereita extend and in this en the ends U-shaped Reinforcing iron bent over at the top is inserted and in Schsserbeton are embedded, which is like a bridge are bent so that they are in the tensile zone of the plate joint near the top of the plate and with the anchoring ends in the back zone of the plst bump on the Rest on the underside of the side recesses.