(3) summary of the invention
The object of the present invention is to provide a kind of precast member for reinforcing bar concrete, have that mechanical property is good, easy construction, simple in structure, save characteristics such as material, cost are low.
Solution of the present invention is on the basis of existing technology, comprise reinforced concrete floor, at least one steel concrete longitudinal rib, base plate and longitudinal rib are linked to be integral body, it is characterized in that described steel concrete longitudinal rib has the rear pouring concrete cross rib and wears die cavity in the rib of longitudinal rib, form the right-angled intersection node of concrete rib in length and breadth, the vertical die cavity top rib that plays interconnect function in the rib in the longitudinal rib on the die cavity is the connection rib of putting more energy into.Like this, because the steel concrete longitudinal rib has the rear pouring concrete cross rib and wears die cavity in the rib of longitudinal rib, form the right-angled intersection node of concrete rib in length and breadth, thereby prefabricated units are when being used to construct, die cavity position in the rib of longitudinal rib, smooth and easy the passing through of Cast-in-place concrete energy, the Cast-in-place concrete rib that intersects with longitudinal rib that form to be communicated with, with the cast-in-place and prefabricated two-way rib structure that combines of the common formation of longitudinal rib, simultaneously, in the direction vertical with longitudinal rib, can lay various pipelines very swimmingly by die cavity in the rib of longitudinal rib, no longer need the scene to burrow, and, because the vertical die cavity top rib that plays interconnect function on the die cavity is the connection rib of putting more energy in the rib in the longitudinal rib, thereby, the intensity height of prefabricated units, rigidity is big, good integrity; Therefore, this prefabricated units have that mechanical property is good, easy construction, simple in structure, save characteristics such as material, cost are low, thereby reached purpose of the present invention; Simultaneously, prefabricated units also have characteristics such as intensity height, rigidity is big, making is easy, the hollowcore slab, hollow building cover, roof system, sole plate, body of wall and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are specially adapted to hollow arch without beam and use.
Feature of the present invention is that also the described connection rib of putting more energy into has reinforcing bar or steel strand to pass.Like this, when having reinforcing bar or steel strand to pass in the connection rib of putting more energy into, the strength and stiffness of connection rib of putting more energy into have all obtained significantly improving, make it in transportation, installation and work progress, not fragile, fracture, after described prefabricated units are applied in the Cast-in-place concrete floor, but the connection rib participation structure of putting more energy into is stressed jointly, improves the performance of floor.
Feature of the present invention also is the width of the width of the described connection rib of putting more energy into greater than longitudinal rib.Like this, when the width of the connection rib of putting more energy into during greater than the width of longitudinal rib, the strength and stiffness of the connection rib of putting more energy into are corresponding to have obtained reinforcement, makes it survivable, can reduce the proportion of goods damageds of prefabricated units effectively, saves cost.
Feature of the present invention is that also the concrete of the described connection rib of putting more energy into is a High Strength Concrete.Like this, when the concrete of the connection rib of putting more energy into is High Strength Concrete, the intensity height of the connection rib of putting more energy into, rigidity is big, make its pile up, transport, not fragile in installation and the work progress, can reduce the proportion of goods damageds of prefabricated units effectively, save cost.
Feature of the present invention is that also gauze wire cloth is arranged in the described connection rib of putting more energy into, thin band reinforce.Like this, when gauze wire cloth, thin band reinforce are arranged in the connection rib of putting more energy into, improve the strength and stiffness of the connection rib of putting more energy into, resistance to tension is greatly improved, can improve the stress performance of prefabricated units.
Feature of the present invention also is in the described connection rib of putting more energy into shaped steel is arranged.Like this, when in the connection rib of putting more energy into shaped steel being arranged, the intensity of connection rib of putting more energy into has obtained significantly strengthening, make the structure base plate can bear bigger load, after described prefabricated units are applied in the Cast-in-place concrete floor, but the connection rib participation structure of putting more energy into is stressed jointly, improves the performance of floor, fully satisfies the demand.
Feature of the present invention also is on the described shaped steel hole is arranged.Like this, when also having hole on the shaped steel, can reduce the weight of shaped steel, save steel, reduce cost, simultaneously, can improve the mutual wedge action between Cast-in-place concrete and the shaped steel greatly.
Feature of the present invention also is to be compounded with steel plate in the described connection rib of putting more energy into.Like this, in the connection rib of putting more energy into, be compounded with steel plate, the strength and stiffness of connection rib of putting more energy into have all obtained significantly improving, make that it is not fragile in transportation, installation and work progress, fracture, after described prefabricated units are applied in the Cast-in-place concrete floor, the connection rib of putting more energy into is can participation structure stressed jointly, improves the performance of floor.
Feature of the present invention is that also die cavity periphery longitudinal rib is a stiffening rib in the described rib.Like this, when die cavity periphery longitudinal rib was stiffening rib in the rib, the intensity of die cavity periphery longitudinal rib can be greatly improved in the rib, make its pile up, transport, not easy fracture, damage in installation and the work progress, can reduce the loss of prefabricated units, save cost.
Feature of the present invention is that also the base plate under the die cavity is the base plate of putting more energy in the described rib.Like this, when the base plate under the die cavity in the rib when putting more energy into base plate, the intensity of die cavity periphery longitudinal rib can be greatly improved in the rib, make its pile up, transport, not easy fracture, damage in installation and the work progress, can reduce the loss of prefabricated units, save cost.
Feature of the present invention is that also elongated vertical top reinforcing bar or steel strand are arranged at described longitudinal rib top.Like this, after the longitudinal rib top is provided with elongated vertical top reinforcing bar or steel strand, can improve the strength and stiffness of longitudinal rib greatly, improve its force structure, make its force structure more good, reasonable, after described prefabricated units are applied in the Cast-in-place concrete floor, but the longitudinal rib participation structure is stressed jointly, improves the performance of floor.
Feature of the present invention also is in the base plate of described longitudinal rib and base plate intersection area longitudinal reinforcement or steel strand are arranged.Like this, after in the base plate of longitudinal rib and base plate intersection area, being provided with longitudinal reinforcement or steel strand, can improve the strength and stiffness of base plate greatly, improve its force structure, make its force structure more good, reasonable, after described prefabricated units are applied in the Cast-in-place concrete floor, but the base plate participation structure is stressed jointly, improves the performance of floor.
Feature of the present invention also is to have on the described base plate at least a in reinforcing rib, bracing piece or the stiffener.Like this, when base plate is provided with reinforcing rib, bracing piece or stiffener, can strengthen the supporting capacity of prefabricated units greatly, reduce the proportion of goods damageds of prefabricated units in transportation, installation, work progress, save material, reduce the cost of hollowcore slab, after described prefabricated units are applied in the Cast-in-place concrete floor, but the base plate participation structure is stressed jointly, improves the performance of floor.
Feature of the present invention is that also described base plate is extended with toss.Like this, when base plate was extended with toss, toss can replace template, reduced the template loss, reduced material cost, can save the template installation procedure simultaneously, accelerated speed of application, improved efficiency of construction.
Feature of the present invention is that also described prefabricated units are provided with the carrying suspender member.The carrying suspender member can be handle, suspension hook, suspension ring or other device.Like this, can very easily member be piled up, transport, lift and construct, reduce the work difficulty and the working strength of above-mentioned operation, help improving efficiency of construction, reduce construction cost.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, comprise reinforced concrete floor 1, at least one steel concrete longitudinal rib 2, base plate 1 is linked to be integral body with longitudinal rib 2, it is characterized in that described steel concrete longitudinal rib 2 has the rear pouring concrete cross rib and wears die cavity 3 in the rib of longitudinal rib 2, form the right-angled intersection node of concrete rib in length and breadth, the vertical die cavity top rib that plays interconnect function in the rib in the longitudinal rib 2 on the die cavity 3 is the connection rib 4 of putting more energy into.In each accompanying drawing, 1 is reinforced concrete floor, and 2 is the steel concrete longitudinal rib, and 3 is die cavity in the rib, and 4 are the connection rib of putting more energy into, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, its described steel concrete longitudinal rib 2 has the rear pouring concrete cross rib and wears die cavity 3 in the rib of longitudinal rib 2, form the right-angled intersection node of concrete rib in length and breadth, the vertical die cavity top rib that plays interconnect function in the rib in the longitudinal rib 2 on the die cavity 3 is the connection rib 4 of putting more energy into.
Feature of the present invention is that also the described connection rib 4 of putting more energy into has reinforcing bar or steel strand 5 to pass.As shown in Figure 2, its described connection rib 4 of putting more energy into has reinforcing bar 5 to pass.
Feature of the present invention also is the width of the width of the described connection rib 4 of putting more energy into greater than longitudinal rib 2.As shown in Figure 2, the width of its described connection rib 4 of putting more energy into is greater than the width of longitudinal rib 2.
Feature of the present invention is that also the concrete of the described connection rib 4 of putting more energy into is a High Strength Concrete.As shown in Figure 2, the concrete of its described connection rib 4 of putting more energy into is a High Strength Concrete.
Feature of the present invention is that also gauze wire cloth is arranged in the described connection rib 4 of putting more energy into, thin band reinforce 6.As shown in Figure 3, in its described connection rib 4 of putting more energy into gauze wire cloth reinforce 6 is arranged.
Feature of the present invention also is in the described connection rib 4 of putting more energy into shaped steel 7 is arranged.As shown in Figure 4, in its described connection rib 4 of putting more energy into shaped steel 7 is arranged.
Feature of the present invention also is on the described shaped steel 7 hole 8 is arranged.As shown in Figure 4, on its described shaped steel 7 hole 8 is arranged.
Feature of the present invention also is to be compounded with steel plate 9 in the described connection rib 4 of putting more energy into.As shown in Figure 5, be compounded with steel plate 9 in its described connection rib 4 of putting more energy into.
Feature of the present invention is that also die cavity 3 peripheral longitudinal ribs 2 are stiffening rib in the described rib.As shown in Figure 6, die cavity 3 peripheral longitudinal ribs 2 are stiffening rib in its described rib.
Feature of the present invention is that also the base plate under the die cavity 31 is the base plate of putting more energy in the described rib.As shown in Figure 5, the base plate 1 under the die cavity 3 is the base plate of putting more energy in its described rib.
Feature of the present invention is that also elongated vertical top reinforcing bar or steel strand 5 are arranged at described longitudinal rib 2 tops.As shown in Figure 2, elongated vertical top reinforcing bar 5 is arranged at its described longitudinal rib 2 tops.
Feature of the present invention also is in the base plate 1 of described longitudinal rib 2 and base plate 1 intersection area longitudinal reinforcement or steel strand 5 are arranged.As shown in Figure 6, in the base plate 1 of its described longitudinal rib 2 and base plate 1 intersection area longitudinal reinforcement 5 is arranged.
Feature of the present invention also is to have on the described base plate 1 at least a in reinforcing rib 10, bracing piece 11 or the stiffener 12.As shown in Figure 6, its described base plate 1 is provided with reinforcing rib 10, bracing piece 11 and stiffener 12.
Feature of the present invention is that also described base plate 1 is extended with toss 13.As shown in Figure 4, its described base plate 1 is extended with toss 13.
Feature of the present invention is that also described prefabricated units are provided with carrying suspender member 14.As shown in Figure 4, its described prefabricated units are provided with carrying suspender member 14.
During the invention process, can adopt cement concrete in the base plate mould, to make the base plate 1 that includes reinforcing bar or reinforced mesh earlier, propped up the longitudinal rib mould then, make the longitudinal rib 2 of middle die cavity 3 with ribbing again of cement concrete, the vertical die cavity top rib that plays interconnect function in the rib on the die cavity 3 is the connection rib 4 of putting more energy into, reinforcing bar or gauze wire cloth etc. can be contained in it, after the maintenance demoulding, required precast member for reinforcing bar concrete can be made.