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Hong Kong authorities have been gluing down paving blocks to sidewalks, as police roll out heavy security measures during a visit by a senior Chinese official. Police deployed massive barriers in central Hong Kong, with protests expected during the visit by Zhang Dejiang, who arrived Tuesday. Lawmakers said the bricks were being stuck down to prevent them being thrown as projectiles.
Hong Kong authorities have been gluing down paving blocks to sidewalks, as police roll out heavy security measures during a visit by a senior Chinese official. Police deployed massive barriers in central Hong Kong, with protests expected during the visit by Zhang Dejiang, who arrived Tuesday. Lawmakers said the bricks were being stuck down to prevent them being thrown as projectiles.
The city's Highway's Department said that paving blocks were generally laid on sand but in some areas, were being strengthened with cement to seal up the joints -- to make them more stable.
originally posted by: 1984hasarrived
a reply to: chr0naut
I was not aware of that, so thanks for the info.
Obviously this is not the case in HK, as they are laid onto sand with nothing in between - something they are now starting to regret it seems.
The city's Highway's Department said that paving blocks were generally laid on sand but in some areas, were being strengthened with cement to seal up the joints -- to make them more stable.
From original article
Building and construction standards in HK are very different from other countries. Bamboo is sill used on some construction sites although I have started to see that recently they are starting to use "proper" scaffolding now (anecdotal from my observations in HK, over the last 25 years).