The hottest railway 25th Bureau escorts the highwa

2022-08-15
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China Railway 25th Bureau escorts the highway operation, creating a win-win situation between construction and operation

China Railway 25th Bureau escorts the highway operation, creating a win-win situation between construction and operation

China Construction machinery information

Guide: a road loop with an average daily traffic volume of tens of thousands of times, and a continuous beam of (40+72+40) m railway under construction. When they intersect and must go hand in hand, what matters most? Safety, order. Safety determines order, and order maintains safety. Undertake the construction of Guangzhou Zhuhai railway 1

a highway loop with an average daily traffic flow of tens of thousands of times, and a (40+72+40) m continuous beam of the railway under construction. When they intersect and must "go hand in hand", what becomes the most important thing

safety and order

safety determines order, and order maintains safety

the second company of China Railway 25th bureau group, which undertook the construction of Bainihe bridge in the first bid of Guangzhou Zhuhai railway, took a number of measures to ensure the continuous beam construction and traffic safety when carrying out the continuous beam construction across the north extension line of Foshan first ring road, so as to "escort" the drivers passing through the north extension line of Foshan first ring road, Actively create a situation of "win according to the newly implemented premium statistics" for the construction of air bridges and the normal operation of above ground roads

Engineering - strong generals and elite soldiers

for engineering construction, people are responsible for planning and success; For cross line construction, only when the air is safe, can we give the pedestrians and vehicles on the ground a real sense of security, which requires people to implement and ensure. Therefore, the Guangzhou Zhuhai project department attaches great importance to the human resources allocation of the continuous beam construction site, and selects the best soldiers for the construction site: Lao Zhang, the operation team leader, has participated in many large-scale engineering projects such as Wuhan Guangzhou passenger dedicated line, Jiaozhou Xinzhou railway line, Jiaozhou Jinan railway line, and has rich construction organization experience; The project department re hires Lao yuan, who has been demobilized and returned to the field, as a construction worker to strengthen on-site construction guidance; At the same time, allocate a scaffold team with continuous beam construction experience for the construction site

there are four continuous beams in the construction section of Guangzhu project department, among which the continuous beam across the north extension line of the first ring road in Foshan constructed by the hanging basket cantilever pouring method is the first to enter the beam construction. In order to make this continuous beam with the largest span fly over the north extension line of the first ring road in Foshan with high quality and safety, and to set a model and cultivate talents for the construction of the other three continuous beams, the project department organized technical and safety training for all technicians and constructors, in-depth study and discussion of the self edited "operation instructions for the construction of continuous beam of Bainihe Super Major Bridge in bid I of Guangzhou Zhuhai Railway", so as to arm their technical minds and tighten their safety nerves

the project department has also formulated various quality and safety management rules and regulations to implement refined management; Implement a strict safety disclosure system, and there must be a safety disclosure record signed by the technical director, constructor and safety officer before construction; Actively accept the supervision of supervisors and fully respect their opinions

there are strong generals and elite soldiers, who carry out the construction management of fine D - the diameter of steel balls for experiments, and the No.0, No.1, No.2, and No.3 blocks of the main pier of the continuous beam, 133 # pier and 134 # pier, which are facing each other across the road... Step by step, they firmly lead to the "magpie bridge meeting" road over the northern extension line of the first ring road in Foshan. This has been highly praised by the owners, leaders of the group company, Bureau headquarters and supervision units who came to inspect and guide the work on site

prevention - double protection of ground and air

while ensuring that the beam construction is safe, controllable and feasible, the project department has strengthened the secondary protection of the highway line in the construction section, built a three-dimensional safety protection from the ground to the air, and maintained the smoothness and safety of the road

the north extension line of the first ring road in Foshan is an east-west four lane one-way line, with an endless stream of passing vehicles

the ancients once said, "if you want to do good things, you must sharpen your tools first." We can achieve great things better by taking precautions and making full preparations. When the pouring of No. 0 block of the two main piers of the continuous beam was completed and the construction space had not been extended over the north extension line of the first ring road in Foshan, the chief engineer of the project began to take the lead in formulating the "special scheme for secondary protection of continuous beam construction across the north extension line of the first ring road in Foshan". After many measurements, repeated demonstrations and optimization, the protection scheme was recognized and approved by the transportation and road administration departments of Foshan

according to the protection plan, the project department set up warning signs and signboards such as "300 meters ahead of construction", "please slow down" and so on at the north extension line of the first ring road in Foshan; The knife edge should be studied and repaired when the day and night flicker is placed 100 meters away from the construction point; (3) The warning light for the inappropriate position of the adjusting block on the load lever that the sensor of the tension machine is in short supply, is lined up with a conical traffic sign and a red and yellow anti-collision water horse, and the two lanes of one main and one auxiliary are closed; Pave speed bumps at 100m, 70m and 30m; Full time protection personnel are arranged on site to be responsible for patrol and guidance

directly below the continuous beam construction, the project department built a safety shelter with a height of 5.8 meters, a width of 27 meters and a length of 19 meters to prevent falling objects from endangering drivers. Protective shed Φ 426mm × 8mm steel pipe is used as the column support, i25b I-steel is used as the supporting main beam on the shed top, and i20b I-steel with a spacing of 1.03m is laid on it as the secondary beam, which is paved with thick wood and covered with waterproof cloth

1.5-meter-high safety railings are set on both sides of the top of the protective shed door opening, and the railings are fully hung with dense mesh protection for maintenance on all sides, so as to avoid falling and rebound of sundries during construction, endangering traffic safety. A colorful flag with the words "China Railway 25th Bureau Group" was inserted on the edge of the shed, and the flag sounded in the wind

a worker who was working on the shed roof told the author, "this pure steel frame, covered with such a thick board, is absolutely safe and reliable. Only the flowers and trees in the green belt in the middle of the road will not be exposed to the sun for a while." (correspondent xiaowenbin)

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