CN207079810U - A kind of assembled high performance concrete beam - Google Patents

Abstract

The utility model discloses a kind of assembled high performance concrete beam, including the upper concrete fin (1), middle concrete fin (2) and lower concrete fin (3) stacked successively from top to bottom, the middle concrete fin (2) is normal concrete preform strip, and the upper concrete fin (1) and lower concrete fin (3) are high performance concrete preform strip.Assembled high performance concrete beam of the present utility model, manufacturing cost is low, beneficial to promoting the use of a large area.

Description

A kind of assembled high performance concrete beam

Technical field

The invention belongs to building structure component technology field, the cheap assembled high performance concrete of particularly a kind of cost Beam.

Background technology

Prefabricated concrete structure refers to be assembled by various reliable connected modes by precast concrete or part The concrete structure formed, it is the principal mode of modern architecture industrialization, it is studied is started in seventy or eighty years in last century with application Generation.Through innovation and development after a while, to this century, the technology has formed portion of techniques and technical standard, but endless It is apt to, not system.Fabricated construction system, which has, saves masterplate, improves execution conditions when making, raises labour productivity, accelerates The advantages of speed of application, but globality, rigidity, anti-seismic performance are poor.

High performance concrete is a kind of new High Technique Concrete, and it has height using durability as the key technical indexes Intensity, high moulding, high-durability, high elastic modulus, hypotonicity.According to《Assembly concrete technical regulation JGJ1-2014》 Provide that fabricated construction preferably uses high-strength concrete, high tensile reinforcement in middle 3.0.3.But because high performance concrete cost is higher, Cause assembly concrete component manufacturing cost to remain high, influence it and promote the use of.

The content of the invention

It is an object of the invention to provide a kind of assembled high performance concrete beam, manufacturing cost is low, is pushed away beneficial to large area It is wide to use.

The technical solution for realizing the object of the invention is：

A kind of assembled high performance concrete beam, including upper concrete fin, the middle concrete fin stacked successively from top to bottom With lower concrete fin, the middle concrete fin is normal concrete preform strip, and the upper concrete fin and lower concrete fin are height Performance concrete preform strip.

Compared with prior art, its remarkable advantage is the present invention：

While good structural behaviour is ensured, manufacturing cost is greatly reduced, beneficial to promoting the use of a large area.The present invention / 3rd high performance concrete dosage is saved, reduces production cost.Being connected with three layer concretes is beneficial to work Factory's metaplasia production, has adapted to the industrialized requirement of modern architecture.

The present invention is described in further detail with reference to the accompanying drawings and detailed description.

Brief description of the drawings

Fig. 1 is the structural representation of assembled high performance concrete beam of the present invention.

Fig. 2 is the elevation of assembled high performance concrete beam in the frame.

Fig. 3 is the profilograph of assembled high performance concrete beam of the present invention.

Fig. 4 is the drawing in side sectional elevation of assembled high performance concrete beam of the present invention.

In figure, concrete fin on 1, concrete fin in 2,3 times concrete fins, 3 prefabricated high performance concretes, 11,21,31 Vertical through holes, stirrup groove on 12,32 times stirrup grooves, 5 longitudinal reinforcements, 6U u stirrups, 7 nuts, 8 steel plates.

Embodiment

As shown in figure 1, assembled high performance concrete beam of the present invention, including the upper concrete fin stacked successively from top to bottom 1st, middle concrete fin 2 and lower concrete fin 3, the middle concrete fin 2 are normal concrete preform strip, the upper concrete fin 1 It is high performance concrete preform strip with lower concrete fin 3.

Fig. 2 is the elevation of assembled high performance concrete beam in the frame.

As shown in figure 3, it is equipped with Reinforcement 5 in the upper concrete fin 1 and lower concrete fin 3.

The upper concrete fin 1, middle concrete fin 2 and lower concrete fin 3 are provided with the vertical of multipair consistency from top to bottom along longitudinal direction Through hole 11,21,31, the two-arm of u tie muscle 6 are stretched out through the vertical through holes 11,21,31 from the lower surface of lower concrete fin 3 The upper surface of concrete fin 1, upper concrete fin 1, middle concrete fin 2 and lower concrete fin 3 are locked with the screw thread of nut 7.

As shown in figure 4, the upper surface of concrete fin 1 is transversely provided with stirrup groove with the correspondence position of u tie muscle 6 on described 12, upper stirrup groove 12 is interior to be provided with steel plate 8, and the nut 7 is located on steel plate 8, with the U u stirrups 6 of the stretching steel plate 8 Two-arm tip screw thread coordinates.

Lower stirrup groove 32, the u tie are transversely provided with the lower lower surface of concrete fin 3 and the correspondence position of u tie muscle 6 The bottom of muscle 6 is embedded in lower stirrup groove 32.

As shown in figure 3, space dense packing effect has high-strength water between the vertical through holes 11,21,31 and the two-arm of u tie muscle 6 Mud.

High-strength cement slurry is full of in upper stirrup groove 12 and lower stirrup groove 32.

During factory process, upper concrete fin 1 prefabricated first, middle concrete fin 2 and lower concrete fin 3, wherein on Concrete fin 1 and lower concrete fin 3 are high performance concrete preform strip, and middle concrete fin 2 is normal concrete preform strip.It is prefabricated During, Reinforcement 5 is placed in upper concrete fin 1 and lower concrete fin 3, and simultaneously on three block concrete beams Reserved vertical through holes 11,21,31.Then stirrup groove is laterally set in the lower lower surface of concrete fin 3 and the correspondence position of u tie muscle 6 32, laterally set stirrup groove 12 in the upper upper surface of concrete fin 1 and the correspondence position of u tie muscle 6, stirrup 6 through vertical through holes 11, 21st, 31 and tamped with high-strength cement slurry.Reserving hole is worn for stirrup 6 on next steel plate 8 being placed in stirrup groove 12 Cross, three block concrete bars are finally fixed to being locked together with nut 7, be full of high-strength water in upper stirrup groove 12 and lower stirrup groove 32 Mud.Assembled high performance concrete beam needed for obtaining.

Claims (7)

1. A kind of 1. assembled high performance concrete beam, it is characterised in that：

   Including the upper concrete fin (1), middle concrete fin (2) and lower concrete fin (3) stacked successively from top to bottom, mixed in described It is normal concrete preform strip to coagulate native bar (2), and the upper concrete fin (1) and lower concrete fin (3) are that high performance concrete is pre- Bar processed.
2. 2. beams of concrete according to claim 1, it is characterised in that：

   Reinforcement (5) is equipped with the upper concrete fin (1) and lower concrete fin (3).
3. 3. beams of concrete according to claim 2, it is characterised in that：

   The upper concrete fin (1), middle concrete fin (2) and lower concrete fin (3) are provided with the perpendicular of multipair consistency from top to bottom along longitudinal direction To through hole (11,21,31), the two-arm of u tie muscle (6) is through the vertical through holes (11,21,31) under lower concrete fin (3) The upper surface of upper concrete fin (1) is stretched out on surface, and upper concrete fin (1), middle concrete fin are locked with nut (7) screw thread And lower concrete fin (3) (2).
4. 4. beams of concrete according to claim 3, it is characterised in that：

   Concrete fin (1) upper surface is transversely provided with upper stirrup groove (12), upper stirrup with u tie muscle (6) correspondence position on described Steel plate (8) is provided with groove (12), the nut (7) is located on steel plate (8), the u tie muscle (6) with stretching out the steel plate (8) Two-arm tip screw thread coordinate.
5. 5. beams of concrete according to claim 4, it is characterised in that：

   Lower stirrup groove (32), the U-shaped are transversely provided with lower concrete fin (3) lower surface and u tie muscle (6) correspondence position The bottom of stirrup (6) is embedded in lower stirrup groove (32).
6. 6. beams of concrete according to claim 5, it is characterised in that：

   Space dense packing effect has high-strength cement slurry between the vertical through holes (11,21,31) and u tie muscle (6) two-arm.
7. 7. beams of concrete according to claim 5, it is characterised in that：

   High-strength cement slurry is full of in upper stirrup groove (12) and lower stirrup groove (32).