Transient deformation during the Milashan Tunnel construction in northern Sangri-Cuona Rift, southern Tibet, China

Yunfeng Tian1, Jing Liu-Zeng2, Yi Luo1

  • 1Key Laboratory of Crustal Dynamics, Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China.

Science Bulletin
|January 20, 2023
PubMed

Related Concept Videos

Earthquakes at Transform Plate Boundaries01:22

Earthquakes at Transform Plate Boundaries

Earthquakes at Transform Plate BoundariesTransform plate boundaries occur when two tectonic plates slide past each other. Unlike convergent and divergent boundaries, transform boundaries do not create or destroy the crust. Instead, they produce intense friction and stress, which can cause frequent and powerful earthquakes. A well-known example of a transform boundary is the San Andreas Fault in California, where the Pacific Plate and North American Plate slide past each other.Science and...
Temperature Dependent Deformation01:12

Temperature Dependent Deformation

In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added...
179
Cenozoic Plate Tectonics01:23

Cenozoic Plate Tectonics

Cenozoic Plate TectonicsThe Earth's surface is always changing. The Cenozoic Era, which began about 66 million years ago and continues today, has been a time of major changes in Earth's land and oceans. Large pieces of Earth's crust, called tectonic plates, have moved to form mountains, shifting continents and opening new ocean basins. These movements have shaped the world as we know it.During the Cenozoic, the continents moved into their current positions. Mountain ranges like the Himalayas...
Transform Plate Boundaries01:24

Transform Plate Boundaries

Transform Plate BoundariesEarth’s surface is made up of large sections called tectonic plates. These plates move in different ways, and a transform plate boundary is where two plates slide past each other. Unlike other plate boundaries, transform boundaries do not create mountains, volcanoes, or new land. Instead, they cause earthquakes.One well-known transform boundary is the San Andreas Fault in California. The Pacific Plate and the North American Plate move past each other at this...
Tectonic Plate Motions01:23

Tectonic Plate Motions

Tectonic Plate MotionsEarth’s outer shell is made up of large pieces called tectonic plates. These plates move slowly over time, changing the planet's surface. Sometimes, they pull apart, push together, or slide past each other, creating mountains, earthquakes, and volcanoes. Scientists study tectonic plate motions to understand how Earth’s surface has changed in the past and how it continues to change today.Science and Engineering Practice (SEP): Analyzing and Interpreting DataScientists...
Deformations in a Transverse Cross Section01:21

Deformations in a Transverse Cross Section

When a material is subjected to uniaxial stress, it elongates or contracts in the direction of the applied force, and also undergoes changes in the perpendicular directions. This behavior is crucial for understanding how materials behave under stress and is governed by mechanical properties such as Poisson's ratio v, which measures the ratio of transverse strain to axial strain.
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...
293