Tea House, Shanghai: J-Office, Yangpu District Building

Tea House Shanghai, Jungong Road Building, Yangpu District Design, Image

Tea House, Shanghai

Yangpu District Building, China – design by Archi-Union Architects

12 Mar 2012

Tea House, J-Office Shanghai

Tea House, J-Office in Shanghai

Location: Jungong Road, Yangpu District, Shanghai

Design: Archi-Union Architects

Tea House in Shanghai

The Tea House, located in the backyard of Archi-Union’s J-office, is constructed from the salvaged parts of the original warehouse’s collapsed roof. The site was extremely constricted with walls on three sides, and with only one side facing towards an open space that contains a pool. The space was further restricted by a mature tree. The design tries to embody harmony by integrating enclosure and openness, delightful space and logical construction and other complicated relations.

Tea House in Shanghai

This building reacts to the site’s environment; the plan layout is a logically obscure quadrilateral, thus maximizing the amount of space. It is divided into three parts. A covered public area is formed towards the open space with the pool, with an enclosed tea house at ground level and library on the first floor where a small triangular balcony extends around the existing tree. Other more private spaces exist such as a lounge, reading room and service room which are arranged towards the rear of the building; a delightful transitional space was created to connect the public space and the private spaces.

Tea House in Shanghai

The transitional space was designed around a twisted nonlinear hexahedron staircase, which connects the functional spaces. The stair resolves the vertical transportation issue from the tea house and the library and provides an inner courtyard near the reading room for viewing the existing tree. The space was designed to bring a new experience to an ordinary functional space. Linear space suddenly changes into an expressive form, surging from the tea house then transforming into a tranquil space for the library on the floor above, making the reading room a special place to sit.

Tea House in Shanghai

The volume is a three-dimensional irregular shape which is impossible to be understood through plans. The twisting shape was designed by scripting in Grasshopper an algorithmic plug-in for Rhino. However such a shape is difficult to translate into quantifiable information for guiding construction. The constraints of manual construction obliged us to invent solutions at the time of construction to realize the advanced digital design with local low-tech construction techniques. Firstly we abstracted the structural skeleton which was subsequently scanned with digital software.

Tea House in Shanghai

This curved shape was then recalculated through interlacing straight lines; these lines were then formed into ruled surfaces filling the void. The spacing was set to the dimension of timber, thus the digital ‘setting out’ could be easily translated into a manually constructible shape. A 1:1 timber framework was produced by following the same logic as the digital model; a subdivided timber shuttering covered this framework to create a curved formwork. The formwork was built through a series of upper and lower layers according to the construction sequence. The casting was almost the same as ordinary concrete casting, reinforced with re-bars following the straight lines of the ruled surface.

Tea House in Shanghai

Concrete casting after the reinforced bar was completed by manual labor and the final physical effect was achieved. The traces of the timber formwork remained imprinted on the poured concrete after construction, with quality defects such as bubbles, adhesive failures and re-bar exposure present due to the manual construction – defects, however, that are obscured by the unique curved shape. Although there are errors of in the formwork, planning and manual casting the combination of digital design and low-tech manual construction provided a great opportunity to study the possibilities of digital architecture.

Tea House Shanghai Tea House Shanghai Tea House Shanghai

Products used in this project

1. Baxter – Sofa
2. Fink – Candlestick
3. Minotti – Armchair
4. MisuraEmme – Dinning Chair
5. Magis – Striped Poltroncina Armchair Blue (in the balcony)
6. Moooi – Random Light LED Medium
7. FontanaArte – Spiral Tribe Suspension Lamp

Tea House Shanghai Tea House Shanghai Tea House Shanghai

Tea House Shanghai – Building Information

Location: No. 1436 Jungong Road, Yangpu District, Shanghai
Area: approx 300 sqm
Design: Mar 2010 – Aug 2010
Construction: Aug 2010 – May 2011
Architect: Archi-Union Architects
Chief Designer: Philip F. Yuan
Design Team: Alex Han, Fuzi He
Photographs: Zhonghai Shen

Tea House Shanghai images / information Archi-Union Architects

Archi-Union Architects


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