The ductility can be improved by adopting partial prestressed concrete section.

采用部分预应力混凝土截面能有效改善延性。

youdao

Enlarging concrete section, enveloping iron and strengthening with carbon fiber sheet are the widely-used methods to strengthen concrete beam.

对于混凝土构件而言，常用的加固方法有：混凝土加大截面法、外包钢加固法、碳纤维布加固法等。

youdao

P an external non-bonded tendon is a tendon situated outside the original concrete section and is connected to the structure by anchorages and deviators only.

体外无粘性筋是指安置在原始混凝土结构外部，只能通过锚固和变向装置连接至结构上的钢筋。

youdao

An enormous section of the concrete structure appeared to have splintered like twigs.

NPR: 87 Dead In Bangladesh Garment Factory Collapse

Pile: long heavy section of timber, concrete or metal, driven into the earth or seabed as support for another structure.

UNESCO: L O S S A R Y

The group wants the Highways Agency, which is responsible for the section, to replace the concrete with a "quieter and more suitable" material.

BBC: A419 campaigners want 'noisy' road surface to be replaced