T-beam curing device

Abstract

The utility model relates to the technical field of T-beam curing, in particular to a T-beam curing device. The T-beam curing device comprises a pedestal and a steam boiler, a supporting table used for bearing a T-beam is fixedly embedded in the pedestal, two symmetrically-distributed steam guide pipes are fixedly installed on the edge of the upper surface of the pedestal through a support, and each steam guide pipe is provided with a plurality of threaded steam exhaust pipes. And an exhaust port of the steam boiler is respectively communicated with the two steam guide pipes on the pedestal through guide pipes. According to the T-beam curing device, the T-beam is arranged on the bearing portion of the supporting table, then the T-beam is tightly wrapped by the geotechnical cloth, the outside of the T-beam is bound and fixed through the rope, air leakage is avoided, the steam boiler is started, and therefore steam can cure the T-beam through the threaded steam exhaust pipe on the steam guide pipe. A steam distributing assembly can be installed on the threaded steam exhaust pipe according to needs, so that the steam exhaust area of the steam exhaust point is increased, and maintenance of the T-shaped beam is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to T beam health maintenance technical field especially relates to a T beam health maintenance device. BACKGROUND

[0002] After the prestressed concrete simple support T beam is poured, needs the airing under the natural condition, and covers the geotextile, carries out the watering maintenance, according to general normal speed time-consuming is longer, needs to wait 7, 8 days, and the concrete can reach certain intensity. Secondly, if the weather is lower, the time needed for the concrete to reach the target strength will be longer, which will seriously affect the progress of the project; Furthermore, the watering is not timely during the maintenance, which also affects the target strength of the concrete. At present, steam curing device is generally used for steam curing, but the existing technology is difficult to accurately control the temperature required for steam curing, such as controlling the rising temperature and the speed of temperature rising. The temperature of concrete T beam steam curing is not uniform enough. These defects will affect the strength of the concrete and the curing period. SUMMARY

[0003] To solve the above technical problems, the utility model provides a T beam health maintenance device.

[0004] The T beam health maintenance device provided by the utility model comprises a pedestal and a steam boiler, a supporting table for bearing a T beam is fixedly embedded on the pedestal, two symmetrical steam guide pipes are fixedly installed on the edge of the upper surface of the pedestal through supports, a plurality of threaded steam exhaust pipes are arranged on each steam guide pipe, and the exhaust port of the steam boiler is connected with the two steam guide pipes on the pedestal through a pipe.

[0005] The T beam health maintenance device further comprises a geotextile, and the T beam on the supporting table is covered by the geotextile.

[0006] Preferably, the steam guide pipes are provided with vertically upward threaded steam exhaust pipes and threaded steam exhaust pipes inclined to the outside of the supporting table by 30-45°, and the vertically upward threaded steam exhaust pipes and the threaded steam exhaust pipes inclined to the outside of the supporting table by 30-45° are staggered.

[0007] Preferably, a steam distribution assembly is installed on the threaded steam exhaust pipe, and the steam distribution assembly comprises a steam accumulation pipe, a threaded connecting pipe matched with the threaded steam exhaust pipe is installed on the steam accumulation pipe, and a plurality of branch pipes equally distributed are fixedly connected to the steam accumulation pipe.

[0008] Preferably, the upper surface of the supporting table is fixedly embedded with an upper convex bearing part, and a protective net for protecting the steam guide pipes is fixedly welded on both sides of the supporting table.

[0009] Preferably, side rods are fixedly embedded on both sides of the pedestal.

[0010] Preferably, the steam boiler is provided with a controller and a pressure gauge.

[0011] Preferably, the two ends of the steam guide pipe on the pedestal are provided with three-way pipes, and the three-way pipes are provided with valves.

[0012] Compared with the prior art, the T-beam curing device has the following beneficial effects:

[0013] The T-beam is placed on the bearing part of the support table, and the geotextile is tightly wrapped around the T-beam after completion, and the T-beam is fixed by ropes outside to avoid air leakage. The steam boiler is started to steam the T-beam through the threaded steam exhaust pipe on the steam guide pipe. The threaded steam exhaust pipe vertically upward and the threaded steam exhaust pipe inclined to the outside of the support table by 30-45° can make the steam in the geotextile more chaotic, so that the steam can easily wander in the geotextile. According to the need, the steam distribution assembly can be installed on the threaded steam exhaust pipe, thereby increasing the steam exhaust area of the steam exhaust point, and further improving the curing of the T-beam. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The structure diagram of a preferred embodiment of the T-beam curing device provided by the utility model is shown in the figure.

[0015] Figure 2 The structure diagram of the pedestal is shown in the figure. Figure 1 The structure diagram of the pedestal is shown in the figure.

[0016] Figure 3 The structure diagram of the steam distribution assembly is shown in the figure. Figure 2 The structure diagram of the steam distribution assembly is shown in the figure.

[0017] In the figure, 1 is a pedestal, 11 is a side rod, 2 is a support table, 21 is a bearing part, 22 is a protective net, 3 is a steam guide pipe, 4 is a threaded steam exhaust pipe, 5 is a steam boiler, 51 is a controller, 52 is a pressure gauge, 6 is a geotextile, 7 is a steam distribution assembly, 71 is a steam accumulation pipe, 72 is a threaded connection pipe, and 73 is a branch pipe. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0019] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0020] Please refer to Figures 1 to 3The utility model discloses a T beam curing device, the T beam curing device includes pedestal 1, steam pipe 3 and steam boiler 5.

[0021] In the embodiment of the utility model, please refer to Figures 1 to 3 The support table 2 for bearing T beam is fixedly embedded on the pedestal 1, and two symmetrical steam pipes 3 are fixedly installed on the edge of the upper surface of the pedestal 1 through supports, a plurality of threaded steam exhaust pipes 4 are arranged on each steam pipe 3, the exhaust port of the steam boiler 5 is connected with the two steam pipes 3 on the pedestal 1 through a pipe, the T beam curing device further comprises geotextile 6, the T beam on the support table 2 is covered by the geotextile 6, three-way pipes are installed at the two ends of the steam pipe 3 on the pedestal 1, valves are installed on the three-way pipes, and a controller 51 and a pressure gauge 52 are installed on the steam boiler 5.

[0022] It should be noted that the three-way pipes are used to connect the steam pipes 3 on the plurality of pedestals 1, so that the pedestals 1 matched with the T beam can be reasonably arranged according to the length of the T beam, the T beam is placed on the bearing part 21 of the support table 2, and after the operation is completed, the geotextile 6 is tightly wrapped around the T beam, and the T beam is fixed by external ropes to avoid air leakage, the steam boiler 5 is started to steam the T beam through the threaded steam exhaust pipes 4 on the steam pipes 3.

[0023] Specifically, in the pre-curing stage, the static stop period is guaranteed to be not less than 5 DEG C by pre-steaming; in the temperature rising stage, the temperature rising process is continuous and uniform, the temperature is slowly raised, the humidity is high, and the temperature is low, the steam is introduced to rise the temperature after the pre-curing period, the temperature rising control is 3-4h, the temperature rising rate is controlled to be 6-8 DEG C / h in the first 2h, the temperature rising speed should not be greater than 10 DEG C / h per hour after that, until the temperature reaches 30-35 DEG C, the maximum curing temperature should not be higher than 80 DEG C, and the temperature rising process avoids the temperature rising too fast to cause the temperature cracks of the concrete, leads to the large expansion of the concrete, and a special person is arranged to observe the temperature in the shed, a temperature and humidity meter is hung at the two ends of the beam during the curing, and the temperature is observed and recorded during the temperature rising process; in the constant temperature stage, the curing temperature is controlled to be between 30-35 DEG C, the constant temperature temperature in the longitudinal and transverse sections of the beam body is basically consistent, the damage of local thermal shock to the beam body is reduced, and the constant temperature time is generally controlled to be more than 36h, and in the temperature falling stage, the steam is slowly stopped and the temperature is uniformly lowered. In the temperature falling period, the temperature falling speed is not greater than 3 DEG C / h, and until the external temperature difference is not greater than 5 DEG C, the geotextile can be lifted, the two geotextiles and the membrane composite geotextile 6 are lifted for 6h, and then the formwork can be removed. When the formwork is removed, the difference between the surface temperature of the beam body and the ambient temperature should not be greater than 15 DEG C, the steam curing time is not less than 7 days, during the steam curing period, the temperature conditions at various positions are checked, when the local temperature difference is too large, the direction of the steam pipe should be adjusted in time to guarantee the temperature balance, prevent the cracks of the concrete caused by the local temperature being too high, and the steam curing time should not be less than 7 days.

[0024] In the embodiment, the steam guide pipe 3 is a Φ70mm steel pipe, and in an emergency, the steam guide pipe 3 can be directly perforated according to the required steam discharge position, and the threaded steam discharge pipe 4 on the steam guide pipe 3 is arranged at intervals of 2-3m.

[0025] In addition, the geotextile 6 is a black two-cloth one-film composite geotextile.

[0026] Further, the upper surface of the support table 2 is fixedly embedded with an upper convex bearing part 21, and both sides of the support table 2 are fixedly welded with a protective net 22 for protecting the steam guide pipe 3, effectively protecting the steam guide pipe 3.

[0027] Further, both sides of the pedestal 1 are fixedly embedded with side rods 11, so as to facilitate the staff to bundle the geotextile 6.

[0028] In the embodiment of the utility model, please refer to Figures 1 to 3 , the steam guide pipe 3 is provided with a vertically upward threaded steam discharge pipe 4 and a threaded steam discharge pipe 4 inclined to the outside of the support table 2 by 30-45°, and the vertically upward threaded steam discharge pipe 4 and the threaded steam discharge pipe 4 inclined to the outside of the support table 2 by 30-45° are staggered, the threaded steam discharge pipe 4 is provided with a steam distribution assembly 7, and the steam distribution assembly 7 comprises a steam accumulation pipe 71, the steam accumulation pipe 71 is provided with a threaded connecting pipe 72 matched with the threaded steam discharge pipe 4, and the steam accumulation pipe 71 is further fixedly connected with a plurality of equidistant branch pipes 73.

[0029] It should be noted that the vertically upward threaded steam discharge pipe 4 and the threaded steam discharge pipe 4 inclined to the outside of the support table 2 by 30-45° can make the steam in the geotextile 6 more chaotic, so as to facilitate the steam to wander everywhere in the geotextile 6, and the steam distribution assembly 7 can be installed on the threaded steam discharge pipe 4 according to requirements, so as to increase the steam discharge area of the steam discharge point, and further improve the maintenance of the T beam.

[0030] The working principle of the T beam curing device provided by the utility model is as follows:

[0031] The three-way pipes are used to communicate between corresponding steam pipes 3 on the pedestals 1, so that the pedestals 1 matched with the T-beams can be reasonably arranged according to the length of the T-beams, the T-beams are placed on the bearing parts 21 of the support tables 2, after finishing, the T-beams are tightly wrapped with the geotextiles 6, and are fixed by being tied with ropes outside, air leakage is avoided, the steam boiler 5 is started, so that the steam passes through the threaded steam exhaust pipes 4 on the steam pipes 3 to maintain the T-beams, the threaded steam exhaust pipes 4 which are vertically upward and the threaded steam exhaust pipes 4 which are inclined to the outside of the support tables 2 by 30-45° can make the steam in the geotextiles 6 more disorderly, so that the steam can move everywhere in the geotextiles 6, and according to needs, the steam distribution assemblies 7 can be installed on the threaded steam exhaust pipes 4, so that the steam exhaust area of the steam exhaust points is increased, and the maintenance of the T-beams is further improved.

[0032] The circuit and the control involved in the utility model are prior art, and too much description is not made herein.

[0033] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations made by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields are also included in the patent protection range of the utility model.

Claims

1. A T-beam curing device, comprising a platform (1) and a steam boiler (5), characterized in that, The platform (1) is fixedly fitted with a support platform (2) for bearing the T-beam, and two symmetrically distributed steam pipes (3) are fixedly installed on the edge of the upper surface of the platform (1) by a bracket. Each steam pipe (3) is provided with multiple threaded exhaust pipes (4). The exhaust port of the steam boiler (5) is connected to the two steam pipes (3) on the platform (1) through a conduit. The T-beam curing device also includes geotextile (6), through which the T-beam on the support platform (2) is covered.

2. The T-beam curing device according to claim 1, characterized in that, The steam pipe (3) is provided with a vertically upward threaded steam exhaust pipe (4) and a threaded steam exhaust pipe (4) inclined at 30-45° to the outside of the support platform (2), and the vertically upward threaded steam exhaust pipe (4) and the threaded steam exhaust pipe (4) inclined at 30-45° to the outside of the support platform (2) are staggered.

3. The T-beam curing device according to claim 2, characterized in that, A steam distribution assembly (7) is installed on the threaded exhaust pipe (4), and the steam distribution assembly (7) includes a steam collection pipe (71). A threaded connecting pipe (72) that is compatible with the threaded exhaust pipe (4) is installed on the steam collection pipe (71), and multiple equally spaced branch pipes (73) are also fixedly connected to the steam collection pipe (71).

4. The T-beam curing device according to claim 1, characterized in that, The upper surface of the support platform (2) is fixedly fitted with an upwardly protruding bearing part (21), and both sides of the support platform (2) are fixedly welded with protective nets (22) for protecting the steam pipe (3).

5. The T-beam curing device according to claim 1, characterized in that, Side rods (11) are fixedly fitted on both sides of the pedestal (1).

6. The T-beam curing device according to claim 1, characterized in that, The steam boiler (5) is equipped with a controller (51) and a pressure gauge (52).

7. The T-beam curing device according to claim 1, characterized in that, Both ends of the steam pipe (3) on the pedestal (1) are equipped with tee pipes, and valves are installed on the tee pipes.

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