
Reasons are as follows: 1. Geological factors: Roads built on soft soil may collapse, and underground water seepage can also cause collapses, as well as mudslides and earthquakes. 2. Excessive groundwater extraction: Ground subsidence caused by excessive groundwater extraction is a slow, regional process, usually due to over-pumping of groundwater, which disrupts the original structure of the stratum, making the soil layer unstable and creating hidden dangers. When encountering underground construction or long-term soaking by rainwater, sudden road collapse occurs. 3. Soil erosion: Soil loss is mainly caused by frequent summer rains, which intensify the scouring of subgrade soil, causing significant deformation of surface rainwater. Additionally, broken underground pipes allow seepage water to dilute surrounding soil, leading to soil loss and sudden road collapse.

Hey, speaking of road collapses, I've encountered them quite a few times while driving. There are actually many reasons for this. If underground pipes age and leak, water seeps into the soil, making it as soft as mud, and the road foundation becomes unstable, leading to collapse. Poor construction quality is also an issue—for example, if the foundation isn't properly compacted or substandard materials are used, it won’t withstand vehicle pressure over time. Weather factors can’t be ignored either; heavy rain and floods can wash away road foundations, especially in mountainous or low-lying areas. Repeated vehicle traffic and strong vibrations can also accelerate the collapse process. I recommend paying extra attention to road conditions while driving. If you see cracks or standing water, detour quickly to avoid damaging your car’s undercarriage. Safety is paramount, so stay vigilant with maintenance and avoid driving too close to the edges on older road sections.

As a repair technician, I've encountered numerous road surface issues, with collapses often rooted in engineering defects. Moisture is the number one enemy—pipe leaks or rainwater accumulation saturate the ground, causing it to lose support. Add to that chronic vehicle overloading, where excessive wheel pressure crushes weak spots. Poor road design, such as inadequate drainage or insufficient foundation depth, also spells disaster under extreme weather. Such collapses significantly impact vehicles, damaging tires and suspensions while increasing driving risks. Car owners should regularly inspect roads for abnormalities, reporting depressions or looseness to authorities—prevention is always better than repair when it comes to safety.

Road collapse poses a threat to driving safety, with common causes including underground facility failures and natural erosion. Rainwater infiltration softens the foundation, and pipeline damage leads to soil loss; vehicle pressure exacerbates large-scale depressions. Encountering such situations can easily cause accidents and damage car components. Staying vigilant is key.


