(1) Geotextile or geotextile. It is widely used in fields such as dam construction, soft foundation treatment, slope management, drainage and anti-seepage, etc. It has made great progress in improving the bearing capacity of the foundation, enhancing the anti-slip ability of the foundation, or preventing the erosion and loss of soil particles. Combining in-situ testing and measurement, and applying numerical analysis methods to explore and estimate the working characteristics of the construction and reinforcement processes, the application of geotextiles is increasingly expanding.
(2) Methods of reinforcing foundations related to environmental protection will become very popular. With the realization of high-level industrialization, while modern industry produces various products, it also produces a large amount of waste residue, waste water, waste gas, etc. Waste. How to utilize waste materials such as steel slag, fly ash and other materials as a useful material for foundation treatment. At present, in addition to fly ash, which has been widely used in road construction or backfilling, steel slag piles, fly ash composite piles, powder Methods such as using coal ash and steel slag as strong compaction cushions emerged as the times require.
(3) Building deviation correction and foundation reinforcement to protect historic ancient buildings will be a task of great significance in the future. A lot of in-depth and detailed work was done to correct the deviation of the world-famous Leaning Tower of Pisa, Italy. After research, it was finally decided to adopt a comprehensive reinforcement scheme using multiple methods such as back pressure, electroosmotic reinforcement and anchor cables, and conduct tests combining indoor physical models and mathematical models. It was implemented only after obtaining reliable data and test results. Now it has begun to bear fruit. Coincidentally, the famous Tiger Hill Tower in Suzhou, my country, has experienced hundreds of years of wind and rain, and its foundation has suffered serious uneven settlement. The tilt of the tower body is comparable to that of the Leaning Tower of Pisa, and has reached a level that must be dealt with. After Many domestic experts conducted demonstrations and finally decided to adopt a comprehensive reinforcement method of enclosing the tunnel with dug piles suitable for specific engineering conditions, and then performing pressure grouting on the foundation under the foundation, which finally solved the tilt problem.
There are many methods to correct the deviation of buildings. Commonly used methods include foundation underpinning, pressure grouting, jet grouting piles, tree root piles, anchor support, etc. Drilling and digging to relieve stress, gravity counter-pressure and electro-osmosis reinforcement of foundations are also commonly used methods. With the development of science and technology, the protection of ancient buildings will make breakthroughs in remote sensing and telemetry of base stress and settlement. Then determine a targeted reinforcement plan to ensure that the upper structure is completely preserved without damage, so that those treasures of human civilization will shine forever.
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