Section 173 Bamboo tendon concrete
The corresponding method is to do material treatment for bamboo tendons, and Bopu's chemical plant has the capacity to produce wood tar and coal tar. These two products are quite old in the chemical industry.
With a simple fractionation unit, many different chemical products can be fractionated from it. These days, because of the need for steelmaking, the metallurgical department has accumulated a lot of coal tar in Bopu coking, which is used to prevent corrosion when shipbuilding, in addition to being made into some tar incendiary bombs by chemical factories and smearing electric poles along highways. Many of them are still in clay pots. In addition to coal tar, the chemical plant also receives a large amount of wood tar produced by wood processing plants when they process charcoal. It's piled up all over the makeshift warehouse.
Because the fractionation tower has not yet been installed in place, and the fractionated products need acid and alkali to do the cleaning process, they can't be processed for a while, but so many things are piled up in the shed, not to mention the smell it emits, and they have to find someone to guard it - whether it is the locals or the traversal, there are people who have the idea of fighting these things. The idea of the natives is better, basically preparing to be used as fuel or waterproof the ship, and the traversers have their own whimsical ideas, and some dangerous things made by chemical half-hangers can make Ji Siwei break out in a cold sweat.
Hearing Mei Wan's request for help, Ji Siwei expressed a great welcome-someone is better than Mei Ren's use. Coal tar, the most basic anti-corrosion material, is more than enough to deal with bamboo tendons.
Mei Wan first soaked the open haode bamboo tendons in wood tar, this process is not only to apply tar, but also Mei Wan also hopes that through this method to make the dry bamboo tendons can absorb the creosote in the wood tar, so that the material no longer absorbs water, and has an antiseptic and insect effect.
After soaking for a few days, make sure that the bamboo tendons have been. After it is completely soaked, it is fished out, and then the surface is evenly coated with coal tar - of course, if it is a modern space-time, this treatment method is much more complicated, and the chemical ability of the traveler is still relatively limited, so the simplest process can only be used.
After the treatment is completed, the bamboo tendon itself has to be done. Physical improvement can be suitable as a raw material for bamboo tendon concrete. One disadvantage of bamboo is that the surface is too smooth, not only is it difficult to fix when binding bamboo tendons, but also the concrete is easy to move and bubble when bonded. The method used is to adapt the shape of the bamboo itself and create a notch in the bamboo. The other is the method of winding iron wire around bamboo tendons.
Fortunately, the Ministry of Metallurgy has steel reserves in its hands. However, it is not possible to supply steel bars, but the supply of No. 18 iron wire is still more than enough. It is very convenient to process iron wire, add wrought iron bars to steel templates, and use power machinery to carry out multiple traction and stretching. The process is very simple, and the raw materials are not very much. When I heard that the construction company was going to try to produce prefabricated slabs made of bamboo and concrete, the Ministry of Metallurgy immediately expressed its strong support and promised to supply as much iron wire as it wanted.
The entire construction company is engaged in the work of tying steel bars. This life has a certain jishu content, if it weren't for Mei Wan's own construction site, it would be a bit unfiable. What's more, this is not a steel bar, but a smooth bamboo bar. A few people took a few construction workers who are commonly used in construction companies, and wrapped and wound and wound bamboo chips. The only reference is a few blurry pictures that have been printed. Several of the traversers had never done this work before, and after a while, some people saw blood on their hands and were honorably wounded.
"God, it's harder than the old nose of the steel bar." Yan Que Zhi said bitterly.
Bingfeng nodded: "This thing is not easy to worry about. And the strength is also discounted. Buckle. If it's really so good, why don't you promote it. β
Mei Wan also regretted it a little at this time, but it was inconvenient to express it: "Now. . In is to solve the problem of having and not being. We even mix the concrete by ourselves, and we have to go over and call the commercial concrete company directly to come to a few tankers? β
The first prefabricated slab. After three days of maintenance, it was tested and proved to be fully usable as a light floor slab, which is quite encouraging.
"But, believe it or not, it's better not to be a load-bearing part for this thing." Ice Wind was still a little apprehensive.
That being said, this substitute was immediately put into production - a new wave of construction was taking place in Bairencheng, houses were being built everywhere, and it was very convenient for construction companies to have prefabricated concrete parts. Mei Wan immediately gave comprehensive training to the company's indigenous builders, teaching them to tie steel bars and make prefabricated slabs. Soon, the first batch of concrete floor slabs were put into the construction of the "new countryside" and the stadium.
Due to the use of machinery used, the progress of the whole project was fast. After all, an excavator's hour's earthwork volume, dozens of workers have to work for a day. As for the rammed earth work, Meiwan also adopted the mode of road roller rolling and manual rammed earth going hand in hand, and carried out the construction overnight. At night, more than a dozen gas lamps and countless torch cages were lit to illuminate the construction site. All the staff took turns in two shifts, day and night, and the machine rumbled day and night on the construction site, and the voices of people were boiling.
"This project really has a bit of a big war atmosphere." Bingfeng had just finished presiding over a section of the project, dragging his tired body back to the shade of the engineering headquarters, and now the temperature outside was less than 10 Β°C, but he was only wearing a T-shirt full of dust and dirt, because he had only slept four or five hours a day for three or four consecutive days, and his eyes were red.
"Let's drink some Wang Laoji." Yan Quezhi brought a large plastic bottle, filled with dry grass tea that Nanhai had personally formulated and taught people to brew - although the canteen had been handed over to the general office, it was actually the original team of the agricultural department who were working.
"I'd rather drink it cold than drink it." Bingfeng shivered as soon as he smelled the withered herb tea, this thing was no better than canned tea in another time and space, but it was also sweetened and tasted, although it tasted very strange, it was quite acceptable.
Bingfeng poured the physiological light salt water specially prepared by the Ministry of Health into his stomach, and wiped his sweat with a towel, and only exhaled for a long time:
"I've always dreamed of drinking Coke." He lamented that the little pleasures of another time and space were now out of reach. He sometimes regretted why he had come here. Isn't it the same as it used to be - no, worse than it used to be, at least at that time, when Coke drank as much as he wanted.
"When one section is repaired, seal one section with stones, and don't wait for other sections." Mei Wan commanded on the construction site every day, her eyes were red, and her voice was hoarse.
"Mei is really desperate." Bing Feng said to Zhuo Tianmin. The latter did not reply, and his face was sadβhe had not been home for three days, and although his son had entrusted the woman of Wude to see it, he always felt uneasy.
Yan Que Zhi said: "I don't understand, why is the Governor in a hurry to ask for this thing?" Is it needed right now? β
"Parade, man."
"Military parade?"
"Yes, for the natives who came to the meeting. Show power. "Bingfeng has been busy finishing up the work for the Army Club lately, knowing that the Army has been practicing in the queue since the beginning of the year.
"Labor hurts money, and labor hurts money." Yan Quezhi disagreed, "Isn't it more important for me to see the expansion of the hydropower station?" At the cost of building such a large viewing platform, it is enough to build two large dams on the Wenlan River. β
"You don't know how much the executive committee has invested in this project." Bingfeng pulled out a cigarette from his pocket, "Here's one." β
"What, you still have a cigarette in your hand?" Yan Quezhi took it from his hand and found that it was a hand-rolled cigarette, and the rough paper knew at a glance that it was a local product, and the tobacco leaves inside were golden.
"This is the tobacco that the foreign trade company got from Macau, I got a little bit and rolled it myself."
"I think this thing was created to satisfy the leadership desires of the leaders of the Executive Committee, right? Ma Qianzhu might have held back his strength to shout those few 'hello comrades, comrades have worked hard'. β
"Don't wronged Ma Gong, if you want to shout, it won't be his turn, Mr. Wen is the chairman of the executive committee. Ma Gong shouted at most, 'Please review' -- isn't he the chief of the general staff? β
"I think they're quite working together on this."
The two of them swallowed the clouds and smoked on the side, and to be honest, the taste of this tobacco was very different from that of cigarettes - it was sun-dried tobacco, not the flue-cured tobacco commonly used in modern cigarettes, and the coarse cigarette paper could only be regarded as better than nothing.
"The foreign trade company got a special supply, where did you get it? There's nothing to sell in the cafeteria. β
"Kao Mountain eats mountains," Bingfeng pouted, "This is the military tobacco distributed to the Army, haven't we helped the Army build a club recently?" I was in command on the construction site, so I gave me a lot. β
"You kid is corruptβ"
"The army is poor, and the navy is powerful," Bingfeng exhaled a puff of smoke with some envy, and coughed twice, "If I hadn't been seasick, I would have joined the navy." That little life went byβ"
"We are so hard to do the project," Yan Quezhi looked at Mei Lin, who was sweating profusely and directing the workers to build stones, and Li Xiaolu, who was holding a level to measure the level, and other people, "Even women are working on the construction site." β
"Do you really pity the jade, what, interesting?"
"Where," Yan Quezhi quickly skimmed off, "she doesn't say a word except for work all day long, and it looks like a man owes her five million, I think it's not interesting." β
"Yes." Bingfeng said, "We have to train some people, at least to train construction workers, jishu workers and the like, so that we don't have to go to the construction site all day long." β
"Didn't you say that you would build a school after the conference? We also applied to open a major in the school: the Department of Civil Engineering. β
"I don't want any construction workers, it's okay to have a secretary first, and if you pinch my shoulders and beat my legs after work, it's a welfare."
"Hehe, there are less than 40 girls graduating from nursing school, so it's our turn?"
"yes, Mr. Mei may be able to take one's turn."