In 1886, Jackson of San Francisco applied for a patent in which prestress was introduced by _______

Which of the following concrete offers pleasant appearance and durability?

The prestressed concrete involves problems like _______

In the zone of anchorages the material preferred to minimize costs is _______

The distortion principle of statically indeterminate structures is subjected by _______

In reinforced concrete members the prestress is commonly introduced by _______

The concept is used in many branches of civil engineering and building construction?

The prestressing used for arches and pavements involves the application of _______