Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Report A Problem

CANCEL

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:

Profile Types

iF SOCIAL IMPACT PRIZE

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Security guards / Security guards

Security guards

City manhole covers are moved,theft and damaged frequently.And no timely maintenance. It lead to pedestrians, animals and vehicles to fall in the well easily.It is a huge threat to the safety of life and property.
A layer of rare earth luminescent materials embedded in the groove around the edge of the cover and the base.When the covers get moved, lost or damaged,red will be illuminated from the cover edge to remind people to avoid the danger.

University

Shaanxi University of Science & Technology

Shaanxi University of Science & Technology
Xi'an, China

Peng Zhou,
Shaanxi University of Science and Technology

Go to profile

Featured in this collection

Architecture & Urban Design

Related content