CN109944467B

CN109944467B - Reconstruction and reinforcement construction method for rock wool prefabricated house

Info

Publication number: CN109944467B
Application number: CN201910257299.1A
Authority: CN
Inventors: 张湘平; 郭子冉; 李永
Original assignee: China Railway 18th Bureau Group Co Ltd
Current assignee: China Railway 18th Bureau Group Co Ltd
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2021-06-22
Anticipated expiration: 2039-04-01
Also published as: CN109944467A

Abstract

The invention relates to a reconstruction and reinforcement construction method of a rock wool prefabricated house, which comprises the following steps: s1, under the weather condition of no wind and no rain, rebuilding the movable plank house on the original selected address, slowing down the slope of the herringbone roof and reducing the overhang length of the eave of the movable plank house; s2, arranging flat irons above the truss roof and on the inner sides of the gable walls at the front and rear sides for reinforcement, forming hooks at two ends of the flat irons to extend into the foundation, and pouring concrete; s3, paving square bricks on the herringbone roof at the top of each gable directly to the eave, and jointing and covering with mortar; s4 digging a pit around the house except the window and the pedestrian passageway below, backfilling planting soil, planting the cultivated vine, connecting a water pipe, wrapping with geotextile, filling in backfill soil, delivering water, pouring thoroughly, and covering with a film; in spring and summer, water is regularly supplied for irrigation, and the lianas grow to cover the roof. The construction method improves the wind resistance of the board house.

Description

Reconstruction and reinforcement construction method for rock wool prefabricated house

Technical Field

The invention relates to the technical field of engineering construction, relates to a movable plank house construction technology, and particularly relates to a rock wool movable plank house reconstruction and reinforcement construction method.

Background

The total length of a certain standard section of a certain expressway in northwest region is 14.6 km. The total number of the bridge is 18/5432.0 m, and the roadbed earthwork is 359 ten-thousand m 3; 19 per 899.8m of reinforced concrete slab box culvert and the like; tunnel 2 seats/3135.92 m, cross-line rural bridge 2 seats/349.2 m.

The climate in the region belongs to the semi-warm zone arid continental climate and is clear in four seasons. In spring, the polar continental air mass weakens, the tropical heating mass enters north, the air temperature rises again, and the rainfall increases. However, the weather is large in daily difference, and the weather such as cold tide, frost, strong wind and the like is easy to appear. The wind is rich in sand storm (yellow wind) and floating dust, the maximum level of wind power can reach 7-8 levels, and the rare strong wind can reach 10 levels. The solar energy heat collecting device is influenced by high pressure of a subtropical zone in summer, the temperature is high, precipitation is much, much thunder and rain are caused, hail is generated sometimes, strong wind is often accompanied, and the grade of the strong wind reaches 5-6. In autumn, warm and wet air mass and dry and cold air mass are alternated, so that much rain and rain exist, the temperature is quickly reduced, but strong wind is less. In winter, under the control of a strong Siberian cold air group, the climate is cold, the drying is less in snow, and 3-5-grade cold air is also scraped.

The construction site has double-layer rock wool prefabricated house built according to standard truss structure format for use by managers in the department of project to live in, work, eat hall and serve. The house is provided with a fire pool, a fire extinguisher, a sand box, an escape steel pipe column and the like according to the regulations.

Because the place is on the mountain depression mouth, every time the strong wind blows, the wind direction is the slope top, destroys the roof very easily. In 2018, 5, 16 days, heavy rain firstly, then medium rain is transferred, simultaneously strong wind is blown, the wind level reaches more than 7, two movable board houses which are just capped and are not decorated and live in are destroyed in a few minutes, and the economic loss is more than 30 ten thousand yuan.

Since the ecological environment is maintained and improved around the mountain depression entrance, the ecological balance is maintained, the biodiversity and the like are protected, the ecological and social requirements of the human society and the county public service forest which can be continuously developed as the main function are met, the gentle slope of the site except the mountain depression entrance can be temporarily controlled, 20 ten thousand yuan of land charge is spent, and other places cannot be changed. Therefore, only a plurality of reinforcement measures are taken for reconstruction.

Through the search of the prior art, the technical scheme similar to the patent is not searched.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a reconstruction and reinforcement construction method of a rock wool prefabricated house, and the wind resistance of the prefabricated house constructed by the reinforcement construction method is greatly improved.

The above object of the present invention is achieved by the following technical solutions:

the reconstruction and reinforcement construction method of the rock wool prefabricated house is characterized by comprising the following construction steps of:

s1, under the weather condition of no wind and no rain, rebuilding the movable plank house on the original selected address, slowing down the slope of the herringbone roof and reducing the overhang length of the eave of the movable plank house;

s2, arranging flat irons above the truss roof and on the inner sides of the gable walls at the front and rear sides for reinforcement, forming hooks at two ends of the flat irons to extend into the foundation, and pouring concrete;

s3, paving square bricks on the herringbone roof at the top of each gable directly to the eave, and jointing and covering with mortar;

s4 digging holes around the house except the window and the pedestrian passage below, backfilling planting soil, planting vine, wrapping with water pipe, filling in backfill soil, watering, covering with film, watering in spring and summer, and allowing the vine to grow and cover the roof.

Moreover, the extension length of the eave is reduced to 300mm from the original 600mm, and the slope of the herringbone roof is reduced to 5% from the original 10%.

The width multiplied by the thickness of the flat iron is 30mm multiplied by 4mm, and the length of the bent hook part of the flat iron extending into the foundation is 200 mm.

Furthermore, the size of the excavation is: the width is 1000mm × 600 mm; the planting soil is prepared by taking fertile humus soil stripped before building, and adding 5% of compound fertilizer, 10% of phosphate fertilizer and 0.03% of water-retaining agent; the vine plant is selected from Parthenocissus tricuspidata and Pueraria lobata; the water pipe adopts the PVC water pipe that the diameter is 50mm and punches all around intensively, and the degree of depth that the water pipe sent into the backfill soil is 100 ~ 150 mm.

The invention has the advantages and positive effects that:

1. shorten the eaves and slow down the roof slope, reduced the area that catches wind in house, do benefit to and improve windproof ability.

2. Each gable is reinforced by flat iron on the roof, the end of the flat iron is hooked and extends into the foundation and is poured by concrete, and the effect of fundamentally reinforcing the whole house is achieved.

3. The square bricks are used for pressing the roof, so that the weight is increased, and the wind resistance is improved;

4. the vine plants are planted around the house, and the house is fully climbed for half a year or one year, so that the house is stabilized and the environment is protected, the air passing path is changed, the wind resistance is further enhanced, and the situation that the vine plants are destroyed by strong wind can be completely avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of a board room of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view of FIG. 1 at B;

FIG. 4 is a floor plan of the board room (double-deck board room) of the present invention;

figure 5 is an elevational view of the board room of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.

The invention relates to a reconstruction and reinforcement construction method of a rock wool prefabricated house, which is shown in figures 1-5 and comprises the following construction steps:

s1 in windless and rainless weather conditions, according to the national technical standards and safety regulations, two double-layer rock wool truss portable house is rebuilt on the original site, the slope of the herringbone roof 1 is reduced to reduce the height of the house, the slope is reduced from 10% to 5% and the extension length of the eave 2 of the portable house is reduced from 600mm to 300 mm.

S2, arranging flat irons 3 on the upper part of the truss roof and the inner sides of the front gable wall and the rear gable wall for reinforcement, wherein the flat irons are arranged according to the size of each compartment, the specification of the flat irons is that the width is multiplied by the thickness is 30mm multiplied by 4mm, bent hooks 3-1 are arranged at two ends of the flat irons and extend into the foundation, the extending depth is 200mm, and the concrete 5 is used for pouring.

S3 laying square bricks 4 on the herringbone roof on the top of each gable to the eave, and jointing with mortar and covering.

S4 digging a pit around the house except the window and the pedestrian passageway below, backfilling planting soil, planting the cultivated liana 6, connecting a water pipe, wrapping with geotextile, entering backfill soil, sending water, pouring thoroughly, and covering with a film; and in spring and summer, water is regularly supplied for irrigation, and the water is generally supplied for irrigation once every 3-5 days, so that the lianas grow to cover the roof. Wherein, the size of digging pit is: the width is 1000mm × 600 mm; the planting soil is fertile humus soil stripped before building a house, 5% of compound fertilizer, 10% of phosphate fertilizer and 0.03% of water-retaining agent are added, and the water-retaining agent can be agricultural and forest drought-resisting water-retaining agent produced by Rituqihuida Limited in Hebei province; the vine plant is selected from Parthenocissus tricuspidata and Pueraria lobata; the water pipe adopts the PVC water pipe that the diameter is 50mm and punches all around intensively, and the degree of depth that the water pipe sent into the backfill soil is 100 ~ 150 mm. Generally, kudzu vine climbs the house for half a year or one year, and the mountain climbing tiger climbs the roof for two years.

In conclusion, the reinforcement construction method greatly improves the wind resistance of the movable plank house through multi-step reinforcement measures, avoids the movable plank house from being destroyed by strong wind, can be generally applicable to the existing rock wool movable plank house, and particularly can be applied to the movable plank house built on a construction site with strong wind and much wind.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The reconstruction and reinforcement construction method of the rock wool prefabricated house is characterized by comprising the following construction steps of:

s4 digging pits around the house except the window and the pedestrian passageway below, backfilling planting soil, planting cultivated liana, connecting a water pipe, wrapping with geotextile, entering backfill soil, sending water, watering thoroughly, covering with a film, and sending water periodically in spring and summer for watering, wherein the liana grows to cover the roof;

the extension length of the eave is reduced to 300mm from the original 600mm, and the gradient of the herringbone roof is reduced to 5% from the original 10%;

the size of the pit is as follows: the width is 1000mm × 600 mm; the planting soil is prepared by taking fertile humus soil stripped before building, and adding 5% of compound fertilizer, 10% of phosphate fertilizer and 0.03% of water-retaining agent; the vine plant is selected from Parthenocissus tricuspidata and Pueraria lobata; the water pipe adopts the PVC water pipe that the diameter is 50mm and punches all around intensively, and the degree of depth that the water pipe sent into the backfill soil is 100 ~ 150 mm.

2. The rock wool prefabricated house rebuilding and reinforcing construction method according to claim 1, characterized in that: the specification of the flat iron is that the width is 30mm multiplied by 4mm, and the length of the bent hook part of the flat iron extending into the foundation is 200 mm.